gonna say it again; Twitter allows you to make short witty comments, share photos, and stay in touch with friends elsewhere, which is a hugely solid product and which they are constantly trying to up sell. It's like if Coke's marketing focused on how you can use Coke to make red velvet cake, degrease engines, and how they have a corporate booth at football games, etc, everything aside from how you can actually drink Coke.
@Leucrotta "Wait, why would anyone want to actually /drink/ it?"