[sqnguyen]

Shouting politely is always an option, but I feel restaurants should really adopt having a button at each table that customers can use if they have any requests to make to their waiter or waitress.

[clicks]

E la carte has you covered then: http://elacarte.com/

It's a Y-combinator funded company by the way. I really hope it catches on big really quickly, I think it's just wonderful.

[sokoloff]

Their favicon looks vaguely like a raised middle finger.

[bane]

These are really common in Korea and totally awesome.