About 15 percent of U.S. residents still do not go online, a statistic that has remained relatively unchanged over the past two years, The New York Times reports. Citing Pew Research Center data, the report says the percentage of residents who use the Internet grew to 84 percent in 2013 from 52 percent in 2000.~snip~The report says elderly people, who face both economic and physical limitations, are most likely to be offline, with 39 percent of residents 65 and older still not using the Internet.Read The Times' full report.