Adam Singer at The Future Buzz: 49 Amaz­ing Social Media, Web 2.0 And Inter­net Stats. Excerpt:

1 tril­lion: approx­i­mate num­ber of unique URLs in Google’s index.

Wikipedia

2,695,205 - the num­ber of arti­cles in Eng­lish on Wikipedia

684,000,000 — the num­ber of vis­i­tors to Wikipedia in the last year

75,000 - the num­ber of active con­trib­u­tors to Wikipedia

YouTube

70,000,000 — num­ber of total videos on YouTube  (March 2008)

200,000 — num­ber of video pub­lish­ers on YouTube (March 2008)

100,000,000 — num­ber of YouTube videos viewed per day

Blo­gos­phere

133,000,000 — num­ber of blogs indexed by Tech­no­rati since 2002

346,000,000 — num­ber of peo­ple glob­ally who read blogs (com­Score March 2008)

900,000 — aver­age num­ber of blog posts in a 24 hour period

77% - per­cent­age of active Inter­net users who read blogs

Twit­ter

1,111,991,000 — num­ber of Tweets to date (see an up to the minute count here)

3,000,000 — num­ber of Tweets/day

Face­book

150,000,000 — num­ber of active users

170 - num­ber of countries/territories that use Facebook

2,600,000,000 — num­ber of min­utes global users in aggre­gate spend on Face­book daily

100 — num­ber of friends the aver­age user has

700,000,000 — num­ber of pho­tos added to Face­book monthly

52,000 — num­ber of appli­ca­tions cur­rently avail­able on Facebook

JD Lasica works with major com­pa­nies and non­prof­its on social media strate­gies. See his busi­ness pro­file, con­tact JD or leave a comment.

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