Last updated: November 15, 2013


This privacy policy is related to your use of the browser extensions offered by Diigo, Inc (collectively the "Software"). The Software offers value adding services, enhances your interaction with various websites by adding features, functionality and content through your browser, and provides other functional and entertainment services. The Software is free to download and use, and is supported by various types of some premium services and advertising, including but not limited to search, banner, video, image, affiliate, inline text, and transitional ads. These ads are not associated with or endorsed by any underlying websites.


User Submitted Information.

When using the software, you may collect information from the web of interest or input information such as email or notes, for your own personal use.

Public Information and Posts:

This consist of comments or content that you may voluntarily post on or through the software, and the information about you that accompanies those posts or content, such as a user name and/or user picture. Public Information and Posts will always be publicly available to anyone, and will be displayed in search results both on the Services and on external search engines and sites.

Third Party Information and Content:

If you access the Services using a third party service, connection or log-in, your user submitted information may also include your user name associated with that third party service, any information or content you have permitted the third party to share with the Company, and any information you have made public in connection with that third party service. Such third party information and content will be governed by this Privacy Policy and Terms of Service Agreement, and may be publicly available according to applicable policies and user permissions granted by you. In addition, the Company may supplement user submitted information with other information we collect or obtain from your use of the Services and third parties.

Other Collected Information.

When users access the software, certain non-personally and personally identifiable information (the "User Information") may be collected, stored and used for business and marketing purposes, such as maintaining and improving the Services, conducting research, and monetization. This User Information includes, without limitation: IP address, unique identifier number, operating system, browser information, URLs visited, data from URLs loaded and pages viewed, search queries entered, social connections, profile properties, contact details, usage data, and other behavioral, software and hardware information. If you access the Services from a mobile or other device, we may collect a unique device identifier assigned to that device or other information for that device in order to serve content to it. This collected data may also be supplemented with information obtained from third parties or submitted by users.

Tracking and Data Collection Technologies.

The Company may use browser cookies, web and DOM storage data, Adobe Flash cookies, pixels, beacons, and other tracking and data collection technologies, which may include an anonymous unique identifier. These technologies may be used to collect and store information about your use of the Services, including without limitation, web pages, features and content you have accessed, search queries you have run, referral URL information, links you have clicked on, and advertisements you have seen. This data is used for business purposes such as providing more relevant ads and content, and market research. The Company may also use these technologies and other similar tools to relate your use of the Services to personal information obtained from you, through the Services, or a third party. For example, cookie, click stream or other data about your activities using the Services may allow us to limit the offers and content provided to you through the Services to items we think you will find interesting and relevant to you, based on your prior online activities and preferences.

Third Party Tracking and Data Collection.

Third parties that support the Services by serving advertisements or providing other services, such as tracking aggregate site usage or providing users with the ability to comment on or share content, may also use cookies, pixels and other tracking and data collection technologies described above to collect user information. The Company does not control these third parties and their use of these technologies is governed by the privacy policies of the third parties using such technologies.

For more information about third party ad networks that use these technologies, see Most browsers are initially set to accept cookies, but you can change your settings to notify you when a cookie is being set or updated, or to block cookies altogether. Please consult the "Help" section of your browser for more information (e.g.,

Users can manage the use of Flash technologies, including cookies, with the Flash management tools available at Adobe's website (

Please note that by blocking cookies or implementing other restrictions, you may not have access to the Services or certain features thereof.


Information collected by the user for personal use will always remain private and will never be shared with any third parties. We may however conduct certain statistical analysis on these information for purpose of improving the service, such as recommending relevant content and people, and for marketing purposes.

We only share your User Information with non-affiliated third parties when we believe sharing is permitted by you or authorized by this Privacy Policy. In addition, the Company may share your User Information with our parent, subsidiary or affiliate companies without restriction.

Any information about users that we collect or receive may be used and shared for the following purposes:

To provide and manage the Services.

We use the information we collect from and receive about users to provide the Services to you, to measure and improve the Services, to personalize your experience by delivering relevant content, advertising, and marketing messages, for monetization, to allow you to comment on content, participate in promotions or rewards programs, to enable you to communicate and share with other users or services, and to provide you with customer support and respond to inquiries. We may also use aggregated, anonymous data about use of and activity on the Services to assist us in this regard and such data is not subject to this Privacy Policy.

To allow third party service providers to assist us in providing and managing the Services.

The Company may make your User Information available to certain third party service providers, such as contractors, agents or sponsors, who help us manage or provide the Services. Examples of such services include, without limitation: advertising and marketing, developing or supporting products and features, processing payments, administering message boards, processing data or statistics, or supplementing or organizing information and data.

To contact you.

The Company may periodically send promotional materials or notifications to you at email addresses you may have provided to us or we have acquired from third parties or through your use of the Services. We may also send periodic alerts on your mobile device. If you want to stop receiving promotional materials from the Company or any of our affiliates, follow the unsubscribe instructions at the bottom of each promotional email or other method of notification. There are certain service notifications and emails that you may not opt-out of as long as you are registered with or subscribed to the Services, such as notifications of changes to the Services or policies.

To deliver relevant advertising.

We may use the User Information and information we collect about your use of the Services through tracking and other technologies, to assist us in delivering you relevant ads and content when you use the Services. We may work with third party advertising networks and advertisers who help deliver these ads to you. We may share your information (such as search queries you have run, referral URL information, links you have clicked on, etc.) or aggregated information with third parties to improve the relevancy of the ads and content you see using the Services.

As noted above, these third party advertising networks and advertisers may also use cookies and other technologies to collect and track information such as, but not limited to, demographic information, aggregated information and Internet activity to assist them in delivering advertising that is more relevant to your interests. They may also utilize supplemental data from other sources and analytics methods to help deliver more relevant ads.

To find out more about third party online advertising and to opt out of this type of advertising, visit the following websites:

Digital Advertising Alliance:

Network Advertising Initiative:

To provide research services:

We may share and sell non-personally identifiable or aggregated information with third parties to provide research and analytics services, such as measuring website usage, performance and ecommerce activity, and analyzing consumer interests, demographics, and market trends.

To protect the rights of the Company and our users.

There may be instances when the Company may disclose User Information without providing notice or choice, including situations where the Company has a good faith belief that such disclosure is necessary in order to: (i) protect or defend the legal rights or property of the Company, our affiliated companies, or any of their employees, agents and contractors (including enforcement of our agreements); (ii) protect the safety and security of users of the Services or members of the public; (iii) protect against fraud or for risk management purposes; or (iv) comply with the law or legal process.

To complete a merger or sale of assets.

If the Company sells all or part of its business or makes a sale or transfer of its assets or is otherwise involved in a merger or transfer of all or a material part of its business, the Company may transfer your User Information to the party or parties involved in the transaction as part of that transaction.


This Privacy Policy is the means by which the Company provides you with notice about its collection and use of your User Information. The Company may modify this Privacy Policy at any time and will provide notice of such modification to you. All material modifications will apply prospectively only. Your continued use of the Services following notice of modification constitutes your acceptance and agreement to be bound by the Privacy Policy as so modified. If you do not wish to be bound by such modification, you must discontinue use of the Services and uninstall the Software. You may also receive a copy of this Privacy Policy by emailing us at


Advertised or Linked Services

The Services may be linked to or advertise third party sites, services or products, including without limitation online stores, rewards programs, trial offers, newsletters, contests, affiliate programs, or sweepstakes. The Company is not responsible for the privacy practices of any such third parties, and once you leave the Services via a link or click on an advertisement, you should review the applicable privacy policy of the third party service or site.


Unfortunately, no transmission of data over the Internet can ever be guaranteed to be completely secure. It may be possible for third parties not under our control to intercept or access transmissions or private communications unlawfully. The Company cannot ensure or warrant the security of any personal information transmitted to us. Any such transmission is done at your own risk. If you believe that your interaction with us is no longer secure, please notify us of the problem by emailing and suspend or terminate your use of the Services immediately.


You may uninstall the Company's downloadable browser add-on Software at any time by following the instructions provided by your browser, on the Software's support page, or by e-mailing us for help at Note that after you uninstall the Software, certain related files may remain on your system. These remnant files are a record of your previous download and are not executable programs. These files help the Company to prevent fraud on the Services and to better service you if you choose to download the Software again. You may uninstall the Company's mobile applications Software by following the customary operating system procedures on your mobile device platform. You may unsubscribe to Company promotional materials by clicking the “unsubscribe” link at the bottom of the applicable e-mail. Remember that even after you uninstall the Software copies of some information that is publicly viewable may remain viewable in circumstances where, for example, you have commented on content on the Services or if another person copied, stored or shared your information.


The Services are hosted in the United States. If you are a user located outside the U.S., you understand and consent to having any personal information you provide transferred to, processed, and stored in the U.S. and other countries where data protection and other privacy laws may not offer the same level of protection as in your jurisdiction, such as the European Union. This includes the use of cookies and other tracking technologies as described above. As a result, please read this Privacy Policy with care.


If you have questions about this Privacy Policy, or if you would like access to your personal information to correct, update, or delete it, please contact us at Email: