Ad ‘Viewability’ Standards Elusive As Digital Grows
Yahoo this month became the latest purveyor of online advertising to tackle an issue rocking the digital advertising world — how advertisers can best verify that people, not robots, are viewing their ads. Search leader Google (GOOGL) and research firm ComScore (SCOR), among others, say that over half of online ad dollars are wasted due to bots, other types of click fraud and ads that appear on websites out of a viewer’s sight. Yahoo (YHOO) now