At last, Twitter is building out its platform: with the purchase of Tweetie (pictured) it finally has its own mobile client.

But that doesn’t mean it’s about to start throwing its weight around or trampling on the very developers who have helped to make it a success, and some of the palpitations on the tech blogs are overdone. (You can follow the discussion on Twitter at #unionoftwitterapps.)

The fact is, the free-for-all around Twitter has been great for anyone who saw a chance to grab an audience by supplying essential services to the Twittersphere, but it has made things inconvenient and confusing for users. Read more