This Aug. 30, 2010 photo released by David Sundberg shows 4food in New York. 4food, a new restaurant specializing in burgers, allows customers to add their own creation to the menus and share it with friends on social networks like Facebook and Twitter.   (AP Photo/David Sundberg)   NO SALES, FOR EDITORIAL USE ONLY

Photo by: David Sundberg

This Aug. 30, 2010 photo released by David Sundberg shows 4food in New York. 4food, a new restaurant specializing in burgers, allows customers to add their own creation to the menus and share it with friends on social networks like Facebook and Twitter. (AP Photo/David Sundberg) NO SALES, FOR EDITORIAL USE ONLY