How many examples of web apps can you give me, which are being sold directly to consumers for personal use? By personal use, I mean not for use at or for work.

How many examples of web apps can you give me, which are being sold directly to consumers for personal use? By personal use, I mean not for use at or for work. I can barely think of a handful and even those are quite often paid for by the buyer's employer as a perk or productivity investment.