I think the limited scope of Twitter is/was one of the strengths of the platform. Unlike the various walled gardens growing out of every corner, trying to be ev

I think the limited scope of Twitter is/was one of the strengths of the platform. Unlike the various walled gardens growing out of every corner, trying to be everything to everyone, Twitter was very effective for a specific style of communication. They should monetize access to their API with some sort of tiered data-volume scheme. Under a certain amount per month = free, over that, begins to incur charges. They could also allow anyone to develop against it, with a license which acknowledges a cut of revenue over a certain amount.