Pitch: solid. Great idea to invite a real person. Solution: a bit too slow to do the whole operation. If I have a phone with me, can't I just take a photo of the code of the waiter? The UI isn't also immediate, too much stuff going on.

Use beacons instead of the numbers (: The app could automatically detect your waiter then. (e.g., if they have a sticker beacon on their badge)

Hard to use PIN, won't be able to remember all of these numbers.

Nice use of market research - but presumably somebody gets a cut (ie your company)

Nicely designed! Cudos for live demo instead of ppt slides! Make sure you do the AV check before hand next time ;) cheers! Peter Tuszynski peter@hardgamma.com @dusker

Great Idea ! How do you monetize ?