Sure, they could. Once they figure out if they're a service, or a protocol. Also, twitter always seems kind of like a real-time thing to me. If I've been awa

Sure, they could. Once they figure out if they're a service, or a protocol. Also, twitter always seems kind of like a real-time thing to me. If I've been away from Twitter for even a few hours, I'm not going back and reading through dozens or hundreds of tweets. So, caching tweets via some kind of TTA seems technically doable, but only marginally valuable.