Between late 1990 and early 1991 the project resulted rein Berners-Lee and his developers writing and testing several software libraries along with three programs, which initially ran on NeXTSTEP OS installed on NeXT workstations: One main advantage of RTB is that advertisers can purchase impressions from multiple publishers together instead https://donovanvcdcx.bloggazza.com/27625262/die-grundprinzipien-der-werbekampagnen