"has revolutionised navigation, bringing military grade satellite positioning to the comfort of your car. But how does it work? James May steers us through the science behind sat-nav."
Edwina Dunn and Clive Humby are the founders of dunnhumby, and the brains behind Tesco's hugely successful Clubcard scheme. Introduced in 1995, Clubcard became the world's most successful retail loyalty scheme and today provides insights into shopping habits of approximately half of all UK households.
"Well, it depends on what you mean as "own." Under copyright law, unless there is an agreement to the contrary or the photograph or video is shot as part of your job, a copyright to a photograph generally belongs to the creator. As the copyright owner, you own the exclusive rights to display, copy, use, produce, distribute and perform your creation as you see fit and approve. As the subject of the photograph, you have a right to publicity, which allows you to get paid for the commercial use of your name, likeness or voice."