> That was the reason for twitter going logged-in-only. It's probably one of the reasons for why they did it initially (although now they reverted it so viewin

> That was the reason for twitter going logged-in-only. It's probably one of the reasons for why they did it initially (although now they reverted it so viewing individual tweets can be done by guests), but I think it's guaranteed that they wanted to squeeze out more user registrations and create an appearance of growth.