David is a tech expert and presents on BBC One’s hit daytime TV series Rip Off Britain, ITV’s Good Morning Britain and co-hosted his own series on Challenge Planet of the Apps.

"I took away a lot from our session. I’m now presenting my 10th series of BBC One’s Rip off Britain, I’m a regular on ITV’s Good Morning Britain and Channel 4’s Supershoppers and have been on C4 NEWS, BBC’s Watchdog, CNN."