We’ve got an interesting mix of videos today.

If you haven’t seen our other video round-ups from this week, you can find them at:

09/16
09/15
09/14

Microsoft may have tapped Jerry Seinfeld for an ad campaign in the past, but Google has gone the George Costanza route to sell Google Wallet:

Business Insider’s Henry Blodget points to this video of what he describes as an “Insane Video Of Guy In Wingsuit Flying Through Trees.” That about sums it up. Somehow this seems worth passing along. Don’t let the title “Grinding the Crack” fool you.

How to make quantum dots (nanoparticles) (via Slashdot):

This one was shared by Adobe’s John Nack on his blog. It comes from Junebum Park:

The Adobe Carousel team answered reader questions in this video:

Webcam 101 for Seniors has been trending all week, but we haven’t included it yet, so if you haven’t seen it yet, here it is:

Jeff Jarvis shared this one on Google+. As he notes, the punchline is in English:

This apparently won YouTube’s Next Up contest in Japan

From the Ellen Degeneres Show, David Beckham went under cover selling cologne at Target: