Global brands including Coca-Cola, Volkswagen, and P&G could benefit from emotion-tracking technology being weaved into their measurement strategies following a landmark deal made by MediaCom and Realeyes. Realeyes last year received a near GBP3m grant from the The European Commission to help develop its technology, which claims to track the "likeability" of brands' marketing efforts by measuring people's emotions via standard webcams as they watch video content.