64% of people prefer rich text emails.

The report is based primarily on behavioral measurement from comScore Media Metrix Multi-Platform (Leverage comprehensive reporting on more than 300,000 digital media entities.
Media Metrix Multi-Platform offers global coverage with audience measurement in 44 countries and 6 regions.), which provides deduplicated reporting of digital audiences across desktop computers, smartphones and tablets, and comScore Mobile Metrix, which provides deduplicated reporting of mobile web and app audiences across both smartphones and tablets. The report also includes survey-based mobile data from comScore MobiLens, as well as TV/Cross-Platform behavioral data from the comScore XmediaTM, comScore OnDemand Everywhere and comScore TV EverywhereTM product lines.