Details are still coming in, but Wired reports that the relatively simple hack that made it possible for Mat Honan’s digital life to be taken over remotely should not be possible any more, with Amazon and Apple both changing account-related security practices, at least temporarily. What these policies will evolve to remains unknown, but both companies clearly needed to do something. follow link
Always Show Recipient In iChat
In iChat under Snow Leopard, choosing View > Always Show Recipient Bar puts a buddy's status message and color at the top of any iChat window. It can also be used to select among multiple open iChat logins you have to send a message to that buddy, or to select among multiple accounts you have registered in Address Book for that buddy.
Apple and Amazon Change Security Practices