Speedbump Design Guide
 

The “speedbump” is an ad that inserts into the middle of a story. As the reader cruises on down the page, they encounter your message.
Here’s what it looks like:

 

When creating your speedbump, you’ll need to provide the following:

Headline  (50 characters or less)
URL  (where you want readers to go when they click on your ad)
Body Copy  (240 characters or less) 
Image  (120x120 image)