Facebook shrinks ad space on mobile

Heads up, marketers: Facebook is shrinking mobile News Feed ad space.

Facebook announced it will change the format for ads appearing in its mobile News Feed to match the look and feel of its redesigned app (Facebook's explanation...I have other thoughts)

The changes will mean that marketers have less room to engage people with images and text.

These moves come as Facebook ads become more expensive, especially in the News Feed, and more advertisers join Facebook.

Watch this video to find out why you should care, what the exact changes are and what changes you can start testing.