The Internet has surpassed newspapers as the main source for national and international news for Americans, according to a new survey.Television, however, remains the preferred medium for Americans, according to the survey by the Washington-based Pew Research Centre for the People and the Press.Seventy per cent of the 1,489 people surveyed by Pew said television is their primary source for national and international news.Forty per cent said they get most of their news from the Internet, up from 24 per cent in September 2007, and more than the 35 per cent who cited newspapers as their main news source.Only 59 per cent of people younger than 30 years old prefer television, Pew said, down from 68 per cent in the September 2007 survey.The latest survey was conducted December 3-7 and released on Tuesday. Pew did not provide the margin of error.