Dear ordinary Facebook user. If you’re not a developer, or ‘social media guru’ you probably didn’t watch Mark Zuckerberg’s keynote speech last week; you probably haven’t read about the open graph protocol, and you probably haven’t tried out any of the new social plugins that Facebook have released. Because of this you may not be aware of some seemingly small changes that affect you more than you might think.

Here’s one: the ‘like’ button. This has become more than just a casual way to show your friends you think something is cool. It’s become more powerful for advertisers, more useful for Facebook, and for you … ? Continue reading…