What's dirtier ... your tablet or toilet?

This photo, taken on June 21, 2012, shows a person using a mobile phone touch screen keypad to write a text message in Singapore. Text messaging, the humble telecoms service that turned into a global phenomenon, is under threat from free smartphone services and operators need to find alternative revenue streams, analysts say

    Just Watched

    What's dirtier ... your tablet or toilet?

A new study has some shocking results that may have you rethinking all those Instagram pictures of your food.