What are your thoughts on Igobubble? Feedback? New iPhone App w/Darwinian Spin

A little overview:

Blow and spread living bubbles! Use your phone to leave photos, videos, messages and more inside living bubbles at any location. When other people find your bubbles you can chat with them and make new friends.

These bubbles have an Attitude! They can grow, shrink, divide, multiply and spread in real time.

Feedback? Thoughts?