[4] He has captured a continuous personal digital memory since 2006 using a wearable camera and logged hundreds of millions of other sensor readings.

[citation needed] Gurrin has worn a wearable camera since 2006 which takes several still photographs every minute.

Gurrin generated a database of over 18 million images, and produces about a terabyte of personal data a year.

[6] Gurrin and his researchers use information retrieval algorithms to segment his personal image archive into "events" such as eating, driving, etc.

[7] In an interview Gurrin said that "If I need to remember where I left my keys, or where I parked my car, or what wine I drank at an event two years ago... the answers should all be there.