> I know people are going to say "what about iOS/Android" but why the hell would you want to write anything on those devices.

Writing on an iPad is very convenient. I would love to transfer as much work as I can on iPads (from laptops).

And replying to your child:

> I was thinking the same thing. Seems like a niche idea that only people with money to burn and nothing better to do would buy into.

Money to burn, really? $10/month for people in an industry where earning $8000/month is the norm? If anything it might be too low.