TV advertising is already declining. Heres why things could get worse. (ROKU, AMZN, NFLX) (Troy Wolverton/Business Insider: Finance)

Troy Wolverton / Business Insider: Finance
TV advertising is already declining. Heres why things could get worse. (ROKU, AMZN, NFLX) – Streaming video could soon have a big impact on the TV-ad business even bigger than its already had. Americans are increasingly watching video on their televisions via streaming devices such as Rokus players instead of from traditional broadcast or cable services, Brian Wieser, a financial analyst with Pivotal Research …