> Instead of having small computers that we can use while it is sitting on our laps, we should have a portable computer that is more comfortable to use. Yes, b

> Instead of having small computers that we can use while it is sitting on our laps, we should have a portable computer that is more comfortable to use. Yes, but the laptop form factor is the only thing that has any hope of working in the space granted to someone sitting on a train. And "use it while travelling" feels like a fairly important use case for the "mobile computer" niche.