Gallup's honeypot has attracted a swarm of competitors, among them Development Dimensions International, Hewitt Associates and InternationalSurveyResearch.
James Bell, director of internationalsurveyresearch at Pew, said Chinese people who said they like American ideas about democracy were more likely to say they are closely following the election.
According to the 2010 International Games Survey by market research firm Newzoo, there are 40.1 million people in the U.S. who play games on the iPhone, iPod touch and iPad.
The study, by Josh Wiener and colleagues at the research firm RTI International, was based on a national survey that allowed them to follow thousands of people aged 50 and over for 10-12 years.