Google began the public testing of Google wave this week, with 100,000 people invited into the testing phase, each of which can invite up to five people to join in on the testing.

Google’s new communication and collaboration tool, which they say is their attempt at “what email would look like if it were designed today,” integrates aspects of e-mail, social networking, instant messaging, and real-time editing.

Google describes it “how e-mail would look if it were invented today”.

Below is a video by Epipheo Studios that offers a straightforward and entertaining explanation of how Google Wave works.