Signage is displayed at the Google Inc. offices in New York, U.S., on Tuesday, Aug. 22, 2016. Wal-Mart Stores Inc. is teaming up with Google to let shoppers order by voice, the latest example of the world's largest retailer finding a technology partner to catch e-commerce leader Amazon.com Inc. Photographer: Michael Nagle/Bloomberg
It may come as a surprise that the video ads that pop up and yell at you when you visit many websites are not considered the most annoying form of online advertising.
But they run a very close second.
