Product managers have become the must-have new hire for publishers.

Snapchat's early claim to fame was disappearing content, where some publishers got excited by getting a millisecond of a millennial's attention span, and advertisers were charged by the second. But as time has gone on, publishers say they're monitoring several metrics beyond a view count.

WPP CEO Mark Read outlines the beleaguered group's long road to recovery in its attempt to leave it less reliant on the margins it made on the media budgets of advertisers.

For Digiday+ members: Many advertisers found that costs eclipsed the benefits of taking the work of agencies in-house.

In the newest issue of Digiday magazine, we take a look at digital media's rough 2018 and the uncertainty it's created for 2019. Join Digiday+ by Dec. 14 to access this premium content and receive a copy of our Year in Preview issue.