So far, four candidates are running for president in the United States
in 2016. Three of them are Republicans - Ted Cruz, Marco Rubio and Rand Paul, while one is a Democrat - Hillary Clinton. Interestingly, their campaign logos have made waves on social media with Hillary Clinton's in particular coming in for some criticism. According to a poll by YouGov, Hillary Clinton's logo is disliked by 55 percent of the public - the highest level among the candidates.