Google search stats:
1,000,000,000,000 (one trillion) - approximate number of unique URLs in Google’s index
2,000,000,000 (two billion) - very rough number of Google searches daily
$110,000,000 - approximately amount of money lost by Google annually due to the “I’m Feeling Lucky” button
24,400 - number of people employed by Google (December, 2008)
68,000,000 - the average number of times people Googled the word Google each month for the last year (source: keyword tool)
$39.96 - the average cost per click for the phrase “consolidation of school loans” in AdWords (source: keyword tool)
1,430,000 - the number of Google results for “Robert Scoble”
136,000 - the number of Google results for “Admiral Ackbar”
Wikipedia stats
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
10,000,000 - the number of total articles in Wikipedia in all languages
260 - the number of languages articles have been written in on Wikipedia
YouTube stats
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 (this stat from 2006 is the most recent I could locate)
112,486,327 - number of views the most viewed video on YouTube has (January, 2009)
2 minutes 46.17 seconds - average length of video
412.3 years - length in time it would take to view all content on YouTube (March 2008)
26.57 - average age of uploader
13 hours - amount of video are uploaded to YouTube every minute
US $1.65 billion in Google stock - amount Google Inc. announced that it had acquired YouTube for in October 2006
$1,000,000 - YouTube’s estimated bandwidth costs per day
Blogosphere stats
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
1,750,000 - number of RSS subscribers to TechCrunch, the most popular Technology blog (January 2009)
77% - percentage of active Internet users who read blogs
55% - percentage of the blogosphere that drinks more than 2 cups of coffee per day
81 - number of languages represented in the blogosphere
59% - percentage of bloggers who have been blogging for at least 2 years
Twitter stats
1,111,991,000 - number of Tweets to date
3,000,000 - number of Tweets/day(March 2008) (from TechCrunch)
165,414 - number of followers of the most popular Twitter user (@BarackObama) - but he’s not active
86,078 - number of followers of the most active Twitter user
63% - percentage of Twitter users that are male
Facebook stats
200,000,000 - number of active users
100,000,000 - number of users who log on to Facebook at least once each day
170 - number of countries/territories that use Facebook
35 - number of different languages used on 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
140 - number of new applications added per day
Digg stats
236,000,000 - number of visitors attracted annually by 2008
56% - percentage of Digg’s frontpage content allegedly controlled by top 100 users
124,340 - number of stories MrBabyMan, the number one user, has Dugg
612 - number of stories from Cracked.com that have made page 1 of Digg
36,925 - number of Diggs the most popular story in the last 365 days has received
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