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
Do you know what is the most common question that I get every day on social media, forums or email?
