Amazon had set a target of late May for their Facebook-friendly Kindle 2.5 update, and it looks as though they're on schedule. Reports from users have started trickling in - at least for Kindle DX - meaning that the broad OTA release has begun.
Things to look out for in your shiny new firmware: Facebook, Twitter, password protection, PDF pan and zoom, and improved organisation and sharing tools. So get ready, world! For a lot of tweets and status updates about minor plot points in books you don't care about. [Engadget]