Marketing experts are in the final stages of a research report on the efficacy of content on TVs, PCs and cell phones, a study that will combine data from TV ratings, telephone polls and physical reactions by viewers who are wired up so their heart rates can be collected and their eye movements tracked.img src="http://feeds.feedburner.com/~r/MultichannelBreakingNews/~4/448505218" height="1" width="1"/
