Tablet users now make up the majority of internet users in the United States reports eMarketer.com. The sites says the tablet in 2013 was the choice of 52.6 percent of internet users up from 39.3 percent last year and 14.4 percent in 2011. That translates to 128.1 million persons now using tablets to get online. Emarketer says that is 43.9 percent of all Americans.