content: All they needed to do were three things:  Add some kind of direct messaging so not everything was public, it took years to do this. Allow a comment on re-tweets, again it took years. Separate the hash tags from the message body & character count. They still haven't done this when most forum software have it as a basic feature to aid their indexing and searches.  What they should seriously do now:  They need to write some open APIs to help as many people view feeds and tweet as possible including third party software. Just to keep twitter in wide spread use. The company talked of upping the character count. They might as well since even basic word press blogs are eating twitter's lunch.