It's become apparent that Facebook has modified their rules and regulations for what businesses can put on their Facebook cover images on their business page. Before, companies weren't allowed to have ANY form of call to action, contact, or pricing information. You weren't allowed to put things like "Buy One, Get One Free" or go to ABCCompany.com for a free download. You couldn't even use words like "tell/refer your friends" OR any contact information such as physical address, website, email or anything that Facebook thought you should have on your "about" page. Oh. And you can't have text be more than 20% of the image.
Essentially, they did not want companies creating a billboard where the cover image should be.
However, everywhere you looked you saw the exact thing that you "weren't" supposed to do.
And now, that has changed. Like a thief in the night, Facebook "rolled out" a change to their policies, and now the ONLY rule that I can find pertaining to the cover image is the 20% rule:
