Blogs
30Boxes http://twitter.com/30boxes
Babyspot.com http://twitter.com/babyspotCEO
Bargainista.ca http://twitter.com/bargainista
BBGeeks.com http://twitter.com/bbgeeks
Bloggers Blog http://twitter.com/bloggersblog
Circle of Food www.Twitter.com/CircleOfFood
Conversation Agent http://twitter.com/ConversationAge
Fashion/Beauty Community Coutorture http://twitter.com/coutorture
DanceJam http://twitter.com/DanceJam
David Lat (Above the Law) http://twitter.com/davidlat
DarkUFO (News on ABC's Lost) http://twitter.com/darkufo
Engadget http://twitter.com/engadget
Editor In Chief: Everyday Food Magazine http://twitter.com/everydayfooddeb
Girlfriendology http://twitter.com/Girlfriendology
Holiday Matinee http://twitter.com/holidaymatinee
IZEA, Inc. http://twitter.com/izeainc
Kodak Chief Blogger http://twitter.com/kodakCB
Kyolo http://twitter.com/kyolo
limeduck http://twitter.com/limeduck
MacLife http://twitter.com/MacLife
Mashable http://twitter.com/mashable
Michigan Innovators http://twitter.com/Innovators
PoshMama http://twitter.com/poshmama
Six Apart http://twitter.com/sixapart
SocialText http://twitter.com/socialtext
Social Media Club (Philadelphia, PA) http://twitter.com/smcphilly
SpoilerTV http://twitter.com/spoilertv
Synthesis.net http://twitter.com/synthesis_net
TechCrunch http://twitter.com/TechCrunch
TechCrunch (France) http://twitter.com/TCFR
Techmeme http://twitter.com/Techmeme
Technorati http://twitter.com/technorati
Twingly.com http://twitter.com/twingly
When Tara Met Blog http://www.twitter.com/tarametblog
WordPress http://twitter.com/wordpress
Xeequa http://twitter.com/xeequa

 

Bookmarking
Digg.com http://twitter.com/digg_feeds
Fling it Girl http://twitter.com/flingitgirl
Muti (African social news site) http://twitter.com/muti
Reddit.com http://twitter.com/reddit_agent

 

Media & Sharing
Bandsintown http://twitter.com/bandsintown
Blippr http://twitter.com/blippr
DOPPLR http://twitter.com/dopplrhq
Drop.io http://twitter.com/dropio
FlixWagon http://twitter.com/flixwagon
IdeaBlob http://twitter.com/ideablob
Overlay.tv http://twitter.com/overlaytv
JamsBio: http://twitter.com/jamsbio
PBwiki: http://twitter.com/PBKrissy
Posterous http://twitter.com/posterous
Ringernation (Social media for ringtones) www.twitter.com/ringernation
SeenThis? (Social recommendations widget) http://twitter.com/seenthis
SomeeCards.com http://twitter.com/someecards
Trigeia http://twitter.com/Trigeia
Vitrue http://twitter.com/vitrue
Wee Web http://www.twitter.com/weeweb
Wiki Answers http://twitter.com/WikiAnswers

 

Networks
BITPOM http://twitter.com/bitpom
CMS Critic http://twitter.com/cmscritic
FantasticToe.com http://twitter.com/fantasticToe
Fling it Girl http://twitter.com/flingitgirl
gamerDNA: http://twitter.com/gamerDNA
Geni.com http://twitter.com/geni
Kindle http://twitter.com/kindlejoy
LinkedIn http://www.twitter.com/linkedin
mesurf (Surfing advice & community) http://twitter.com/mesurf
ning http://www.twitter.com/ning
Pownce https://twitter.com/pownce
Sibdu http://twitter.com/bob_sibdu
TheRetailTradeCenter.com http://twitter.com/lhkent
WordFrame http://twitter.com/wordframe

 

Portal
Mindshare (Portland, OR) http://twitter.com/pdxmindshare
SavvyAuntie http://twitter.com/SavvyAuntie
Second Life http://twitter.com/secondlife
Second Life Grid Status http://twitter.com/SLGridStatus