Frequent changes are "Facebook's mode of operation"
They did it again: In yet another change that upset users, Facebook Inc. has replaced the email addresses that users display on their profile pages with @facebook.com addresses.Users who are bothered by the change can reset their profiles. Facebook didn't delete the previously displayed addresses, it just changed which one users can see.Debra Aho Williamson, an analyst at research firm eMarketer, says the move is "emblematic of Facebook's mode of operation. Take action and apologize later." By The Associated Press
Change for the better: According to the New York Times, Facebook has rebuilt its iOS application to speed it up, and the changes are coming this summer.