Those who make it a practice to leave extra large tips to a restaurant server may be naturally generous, or perhaps just thought the service was excellent.

FORBES: Magazine Article

But it does have a huge effect on the bottom line of the restaurant and the server.

FORBES: Pastor Who Refused To Pay Applebee's Service Charge Becomes Unwitting Poster Child For Server Pay And Tax Issues

The work had complicated access to the street-corner restaurant, and a server needed hospital treatment in 2006 after she was struck by a rock sent flying by blasting for excavation of the construction site.

NPR: Cadaver Dogs Search After Kansas City Gas Blast

For one, service charges are considered payable to the restaurant, not directly to the server.

FORBES: Pastor Who Refused To Pay Applebee's Service Charge Becomes Unwitting Poster Child For Server Pay And Tax Issues

Orders are keyed in at your table and beamed to a central server, from whence the restaurant pod is instructed to retrieve the appropriate ingredients from the freezer and program the microwave.

ENGADGET: The auto-restaurant

Let's say I go into a fast food restaurant and I ask for a cheese burger and the server smiles at me and says - You know, just for 40 American cents more you can get a larger size.

BBC: Six Forum: Health Warning on Big Portions

The owners, Jamie Vipond and Matthew Bohner who also run the rooftop Mexican restaurant Alma double as woodworkers, and, according to a server, built the place.

NEWYORKER: Brooklyn Crab