US8983860B1
patent
Methods, systems, and apparatus, including computer pro grams encoded on a computer storage medium, for an adver tisement auction system. In one aspect, a method includes operating bidders on a data processing apparatus, each bidder executing in a distinct virtual machine, wherein a host oper atingg Sy SVStem that executes on the data pprocessingg annaratus app
24 claims. 68,386 characters of text.