The "lifelogging" movement is about capturing everything that happens to you, mostly with a camera, for a literally photographic memory, as well as capturing your communication with others.

The problem with "lifelogging" is that in order to capture your life, you have to photograph and index conversations with everyone you encounter, which feels like an invasion of their privacy.

The quantified life is similar to both the "quantified self" notion and "lifelogging" in that it involves the use of technology to gather highly individual data in order to improve your life.

But instead of hacking your body and monitoring your vital signs, sleep patterns and brain waves as those in the quantified self movement advocate, and instead of taking pictures of everything you look at, as some lifelogging fans do, the quantified life approach simply involves the passive gathering of cellphone data in the background and then using algorithms to make sense of it all.