but... but you get choose who you call, so you only make one call. But you can't unread tweets to find the one you want to read. So are these just snapshots of

but... but you get choose who you call, so you only make one call. But you can't unread tweets to find the one you want to read. So are these just snapshots of a moment in time you look at? Which is nothing like calling someone on the phone.