Update: Thanks so much to everyone who entered the survey – we had over 300 answers, which is a great response! The competition is now closed, and I will be selecting and contacting the winners shortly.
Do you have a few seconds to answer one question – and get yourself a chance to win one of two great prizes at the same time?
All you have to do is tell us why you switched to e-cigarettes.
And you could win a Halo Tank system.