Here’s a handy list of opt-out links from Lifehacker, via the NYT. The credit card opt-out link is worth the price of admission alone.

This little gadget plugs into a wall socket and displays just how much power any appliance or electrical device pulls when turned on. I’d buy this for the sheer geekery of it. (via)

Hmm, this is pretty cool. CarMD is a little gadget that plugs into your car’s computer and diagnoses any problems it may have, along with estimates for repairs. Pretty slick.

Peapod, how do I love thee? More ways than can be counted, especially when work is coming fast and furious, and I have barely enough time to dress myself let alone grocery shop. A nice man with a wide smile just dropped off a weeks’ worth of groceries, and shopping took all of 15 minutes. The internet is awesome.

Eyeglass stores are for suckers. This guy buys a pair of prescription glasses online for $81, and says they fit perfectly. Be sure to read the response and reply from an optometrist, which is a hoot. I’m considering this seriously—my last glasses cost about $350 total.

10 Geek Business Myths for startups. Good information here. (via)

I love Wikipedia. Doing a Google search on an unrelated topic, I found this article, and I think I almost understand it.

I saw a ton of Kawasaki KLRs in San Francisco when I was out there, and remembered that a friend recommended it. I like the idea of a 60-MPG bike that works well on and off road, with lower insurance rates. An old aircooled BMW would look cool, but this is a practical ride.

This page gives an idea of how much patents cost, along with a pile of other good information about copyright and trademark. (via)

HOWTO: Change your own brake pads. Not for the mechanically uninclined.