Boston business owners are expected to spend $511,032,000 on streaming video advertising in 2021, according to Borrell Associates, a company that tracks online marketing expenditures across the country. This spending will be 25% higher than in 2020.

Streaming video advertising expenditures are accelerating as Boston consumers continue to abandon shows on local TV stations and cable systems in favor of programming streamed via an internet connection. These online channels include Netflix, Hulu, Prime, Disney+, Paramount+, Peacock, Prime Video, Roku Channel, SlingTV, PlutoTV, and dozens more.

This type of streamed video content is known collectively as OTT (Over-The-Top-Television) or CTV (Connected-Television). These two terms are sometimes used interchangeably but do have a subtle difference.

OTT generally means the video is watched on a small device like a computer, tablet, or smartphone.  CTV, on the other hand, typically means the content is viewed on a smart-TV or a regular television using a streaming device like a Roku or Amazon stick.

In Boston, according to Nielsen, OTT/CTV has exceeded the weekly reach of local newspapers and streaming audio services such as Pandora and Spotify. The medium is rapidly approaching the reach of local cable and broadcast TV stations.

Broadcast television came to Boston in 1948 when WBZ-TV signed on for the first time. In those days, only about 0.5% of local households actually owned a set, a number that would grow 100-fold by the mid-1950s.

At first, Boston consumers needed rabbit-ears or outdoor antennas to receive signals from a small handful of local stations, including  WCVB and WHDH. The quality of reception varied day-to-day.

By the early 1960s, however, local cable systems began to bring higher-quality, reliable reception to households throughout the Boston area. The number of programming options, though, remained limited to affiliates of ABC, NBC, and CBS.

In 1972, viewing options began to expand as local cable began offering Boston area consumers the opportunity to purchase premium services, including HBO, Showtime, and Cinemax.  Five years later came an explosion of non-premium cable channels such as TBS and CNN.

In the early 1990s, Boston viewers could not only receive their television programming over-the-air or by cable, but options expanded to include satellite delivery by DishTV and DirectTV.

The next TV innovation came in 2007 as Boston consumers started turning to the internet to watch streaming channels like Netflix and Hulu.  These new services allowed viewers to watch TV on their phones, computers, and tablets as well as their living room LCD and Plasma screens.

Today, all of this video technology offers viewers the ultimate flexibility to choose how, when, and where to watch TV.  So, what are they watching?