Mattel, the toy-entertainment giant, and Pocket.watch, a creator of kids
content, have launched a partnership granting pocket.watch the exclusive rights to sell ad inventory for 90 of Mattel’s popular YouTube brand channels, including “Barbie,” “Hot Wheels,” “Thomas
& Friends” and “American Girl.”
YouTube has granted clock.work third-party rights for selling …
https://www.mediapost.com/publications/article/388932/pocketwatch-to-sell-ads-for-mattel-shows-on-youtu.html