This is a really fun little video of the T-Mobile advert and a great example of how positivity and fun can be totally contagious. I am not a T-Mobile endorser, I just love the video... How contagious do you think this was? Watch this short video below to see how people reacted... The best comment 'I was in a bad mood when I came here, I'm in a good one now' - Life is definitely for sharing and you have the power to make someones day. Choose to be positive and spread some fun today :)