#HASHTAGS
Hashtags just mean putting a # before a word so that it more easily searched at places like: http://search.twitter.com/ and http://www.hashtags.org/ An incomplete, short list of important hashtags to use are:
#p2 #topprog #rebelleft progressive issues
#digg #digguser #diggmates let ppl know it’s a digg submit
#hcr #hc09 #healthcare #singlepayer #publicoption for health care reform
#green #eco #enviro #cc #wildlife green, ecological, environmental, climate change
#mmot #marijuana #legalization #norml #pot #drugwar #weed legalization issues
#atheists #agnostic #secular #deist #pagan various non-religious umbrellas
#fem2 #FAB #WOC #prochoice various womens and reproductive issues
#LGBT #equalrights LGBT civil rights
#EFCA #unions #aflcio #seiu #ufcw #ibew workers rights and unions
#RI4A #dreamact #immigration immigration reform
#followfriday (or #FF) great way to find other recommended tweeters
#SameSexSundays (or #SSS) find #lgbt and #= #equalrights folks on Sundays
#EcoMonday find green, environmental activists on Mondays
#ProgressiveTuesday network with progressives on Tuesdays