
It was a year ago today - April 22, 2010 - that Facebook unveiled the Like button, the catalyst it uses to drive its now ubiquitous open social graph. The Like button has been integrated on more than 2.5 million websites with 250 million people engaging Facebook externally.
In a status update on (what else?) Facebook's own Facebook page, the company said that that 10,000 websites institute the Like button every day. As of 9:30 a.m. Pacific, the status update had received 66,905 likes and 8,739 comments, with a lot of it in the form of general gibberish or completely off-topic to the Like button's year anniversary.
We contacted Facebook for some stats on the Like button and platform engagement. Here is what they sent back: