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Share Wi-Fi access. I wrote this up a while back, but it's pretty great: Wifi Joiner lets you create and post a QR code that embeds access info for your wireless network. This is great for home networks, coffee shops, and plenty of other places. For the moment, though, it's Android-only.

Get reminders as you leave the house. If you use an online task manager like Google Tasks or Remember The Milk, it's easy to create a tag called "Leaving the House," "Leaving Work," etc., then create a QR code directing to that page. Post it at the door, or anywhere else you'll be sure to see it when leaving, then scan it for reminders of things you need to do before leaving. At the very least, you won't forget your phone anymore! Have you come up with some awesome uses for QR codes? Let us know.

Washington (CNN) -- President Barack Obama hit the road Friday to rally public support for his new job creation plan, calling it critical to efforts to invigorate an ailing economy and avert a new downturn

Appropriate Levels of Dominance

Establish Clear Expectations and Consequences

Establish Clear Learning Goals