Perceptions of widely disliked standard in-game video ads have improved marginally, and the percentage who like rewarded video ads is actually slightly higher than the percentage who "can't stand" them.

There are more than 7.7 billion mobile phones on the planet, generating a footprint of more than 480 million tons of carbon each year. How much of that is spent using ad-supported media?

As long as smartphones have existed, so have concerns that the devices are revealing information about their owners' whereabouts.

Ten percent of them actually transmit their users' location in the advertising bid stream so they can be targeted programmatically by advertisers, more so for Apple iPhone than Android users.