Thoughts on Beacon  —  About a month ago, we released a new feature called Beacon to try to help people share information with their friends about things they do on the web.  We’ve made a lot of mistakes building this feature, but we’ve made even more with how we’ve handled them.

Source:   Facebook Blog

Author:   Mark Zuckerberg

Link:   http://blog.facebook.com/blog.php?post=7584397130