US digital ad revenues at Amazon will more than double this year, eMarketer estimates, moving it up the ranks past Oath and Microsoft to take the No. 3 position behind Facebook and Google.

As consumers turn to voice assistants for a growing list of everyday activities, marketers are exploring ways to add value to these interactions and boost brand engagement.

Rapid adoption of digital assistants, smart speakers and other voice-controlled devices is changing the face of human-machine interaction. This report examines the state of the market for these technologies and what’s likely to happen next.

This report analyzes our latest forecast for US voice assistant and smart speaker users, with a special focus on the growing rivalry between Amazon and Google.

Advertisers’ dollars continue to shift from traditional to digital channels at a fast pace, with mobile leading the charge. In 2018, mobile advertising alone is expected to surpass TV ad spending.