TV networks emerge as obstacles on YouTube's hunt for ads

SAN FRANCISCO/NEW YORK (Reuters) - Three years ago, the beginning of the end of the U.S. television business looked certain when one of the largest ad buying agencies vowed to move a big chunk of its purchases to YouTube from TV budgets.The TV business did not die; far from it. Instead, data compiled by ad tracking firm MediaRadar at Reuters' request shows some advertisers are spending more on television networks' online properties and less on Alphabet Inc's video service. The data may partially..