The good news is that in an era of ubiquitous instant photography, Polaroid is still in business. The bad or good news, is that they're now in the music business.

"I think people are going to be interested in just how big it already is as a percentage of global ad revenue already," Kate Scott-Dawkins says of GroupM's soon-to-be-released retail media report.

"A number of new services have entered the marketplace with different approaches to the measurement of attention," Scott McDonald says, announcing the ARF's "Attention Validation Project."