Instead of Google, Facebook, Twitter or LinkedIn owning your data, imagine a world in which you control the data about yourself and reveal only what is minimally necessary when required. It would be the web equivalent of proving to a bouncer only that you're older than 21, instead of also handing over your birthdate, address and whether you've elected to be an organ donor.
WHY THIS IS IMPORTANT
To be in full control of our private information may be the holly grail of the Internet today. This new technology appears to solve the problem and provide a solution for all of us. For the moment in trial for developers, I can't wait to try it out....