Look at this screen shot.
See what Twitter is doing? I replied to my own tweet with more info, Twitter must have thought it was part of a tweetstorm so they linked the two messages. How about letting me type a few paragraphs with a nice expand/collapse wedge next to the extra stuff, instead of jumping through these ridiculous hoops.
Optimize! Factor! Pave the cow paths! Do your freaking jobs! Software is supposed to follow the users. Here the users have been leading for years, and the product refuses to follow. Bad software evolution.
PS: For comparison, look at how I did the very same thing on Facebook. Much more natural, easier on everyone.