As more people buy voice-enabled devices, adoption of voice search is set to rise with some even predicting that it will replace text as the primary means of searching -- like how smartphones overtook desktop.

Black Friday may be in the rearview mirror for 2018, but consumers aren't done shopping -- or sending signals of intent that marketers and brands need to pick up on throughout the season.   

The biggest digital properties have monetized their platforms with advertising and have generated billions in revenue.  Now, they need to generate transactional revenue for advertisers.