Consider for a moment that longer text is not necessarily better. The size limitation is by no means an implementation detail - it was designed in.
Longer text is better for some writers - they don't have to work to fit in their message. But it's better for all readers - they can come read their twitters knowing no single entry will swamp it.
Longer text is better for some writers - they don't have to work to fit in their message. But it's better for all readers - they can come read their twitters knowing no single entry will swamp it.