1. An advertising campaign initiation method for an online marketplace system in which advertisers sponsor advertisements to be communicated over a network as advertisement data for display to searchers in response to search queries received as search query data communicated over the network at the online marketplace system from the searchers, the system including an account management server and a database storing data about the advertisements, the method comprising: receiving at the account management server, from an advertiser operating an advertiser computer, data specifying campaign basic information for an advertising campaign; receiving at the account management server, from the advertiser, data specifying one or more advertisements for the advertising campaign; receiving at the account management server, from the advertiser, data specifying a budget for the advertising campaign; and providing over the network from the account management server to the advertiser at the advertiser computer, a web page presenting at least some of the received data for review by the advertiser.