...In the CNN poll, which used responses from 521 people, Clinton was declared the winner by a large margin—62% thought she won, as opposed to 27% who thought Trump won (the rest were undecided).
Despite that, however, a number of online polls said the Republican candidate won, with some votes as high as 73%. In virtually all cases, those polls were non-scientific, meaning the makeup of those who responded did not necessarily reflect the population of likely voters. In many cases, the protections against people voting more than once was also minimal.
At least one of the polls appeared to be an outright fake: The Drudge Report and a number of Trump supporters linked to a supposed ABC poll showing that Trump won 54% of the vote and Clinton just 10%, but the poll was hosted by a site that mimicked ABC’s website.
Based on a number of posts on Twitter, the anarchic online community 4chan, and online message board Reddit, it appears as though Internet trolls ganged together to try to rig the online polls by using a number of tricks to game the results so that they would show Trump as victorious....