Twitter is an infrastructure, not a protocol. Anybody can copy twitter but it's a bit more expensive to actually run it as scale. It took VC money, and a lot of

Twitter is an infrastructure, not a protocol. Anybody can copy twitter but it's a bit more expensive to actually run it as scale. It took VC money, and a lot of it, which expects a lot of returns. There is already a "Twitter protocol", it's called RSS.