Simply sign up to the House & Home myFT Digest -- delivered directly to your inbox. The question “who am I?” has been hard fought in the philosophical world but have you ever tried to give a lost ...

These articles are brought to you in association with Pocket-lint and our partners. In the past few years, getting information about an individual by using his/her house address was nearly impossible.

It's just a few characters, but your postcode reveals much more about you than your address. Postcode databanks now contain so much information that organisations use them to discover how you are ...