Honestly, this is a level of disintermediation I hadn't really expected: tablets replacing a lot of waiter functions:
So what does the future of ordering food look like? The tablets allow you to browse the menu, and check out what your meal look like before you order. You can then share what you find with others at the table. Once you and your group find something that you like, the tablet relays your order directly to the kitchen.
Makes sense to me, and I'd expect this sort of thing to be used as a major cost saving measure in some of the bigger chains. High end places will still employ full service wait staff, but this sort of thing could take out the entire mid range.