They also sell drinks and probably don't allow others to sell drinks in there.

If you show picture to one head. does other one know what it was?

I don't see reason why same (or better) security measures that are present in normal cabs can't be implemented in uber. Maybe there are already?

Compiler got AI human language capabilities?

theoretically it coul be run by autonomous agent. hosted as tor service.

This model of car centric city would be more and more common as man enters uninhabitable outdoor environments. so there would be benefit of starting to adapt to it right now with improving car indoor expirience like drive-ins and not making it harder with car prohibitions and taxing. With personal cars you will have more degrees of freedom than with trains, busses etc.

there will be order pizza API in future

if( dateTime.Now == friday ) { orderPizza(pizzaType, pizzaSize); }

For interest, this has already been around: http://hackedgadgets.com/2008/06/09/order-dominos-pizza-via-...

Sun NeWS had a pizza tool for ordering by fax in the early 90s:

http://www.art.net/~hopkins/Don/images/pizzatool.gif

call me when 3d printers would be able to print itself from materials found in nature.

Why is this a bad thing? and not a good thing