The unbearable lameness of web 2.0
The proper label for a 'friend' or 'like' button in Facebook should be 'Subscribe', because that it what it does, simply put. It adds another feed to your timeline. But 'subscribe' is an unidirectional concept, 'I will import your status updates into my timeline', and is closer to 'follow' in Twitter.
more on blog.koehntopp.de
On some fundamental flaws of social networks.