search results can be viewed by date, relevance or a combination of both. Unlike Technorati, which determines a blog’s relevance based on the total number of unique links into that blog, Sphere is taking an algorithmic approach.
Sphere is a startup from a handful of people passionate about connecting mainstream and conversational media content. So far we’re best known for our Sphere Related Content Widget but we have a lot of other interesting things in the pipeline as well. We believe everyone has a voice, and our mission is to create exposure for each of them. By creating connections between contextually relevant mainstream media and blog content, we're exposing a broader set of Internet readers to blog content, fundamentally giving more power to the people