At its f8 conference Facebook let any website add a Like button and share data through the Open Graph, spreading Facebook's blue thumb across the internet within weeks.
Related exhibits
- WebsiteVerified
Facebook
The social network at 500 million users
In 2010 Facebook was six years old, had just overtaken Google as the most-visited site in the United States on some weekly measures, and passed 500 million users in July. Its blue-and-white pages...
