Facebook starting rollout of image-focused sidebar ads

In April, Facebook announced that it is making the images in sidebar ads much bigger. The company recently notified Preferred Marketing Developers and ads partners that the ads will start rolling out today.

Facebook gave advertisers a timeline of the redesigned sidebar ads and warned that there will be a “moderate increase” in CPMs as more advertisers take advantage of the more visual sidebar ad format. These ads will also be subject to Facebook’s 20 percent text rule later this summer.

Here’s a look at the timeline Facebook gave marketers and advertisers:

• June 24: We will begin rolling out the new RHC ad format.