Photoshop tips

So those of you who are avid Photoshop users, there was that one time as you were relatively new to the program that you accidentally hit the tab key while working and poof! bye bye toolbar. And if you quick-key at the rates that I like to fly along at, you had no idea what you just did to cause your tools to go on vacation. Because the depths of photoshop are easy to get lost in, sometimes it is helpful to have a little reminder of some shortcuts, and if you are just starting out, you might find that some of these will save you a lot of time. The folks over at webdesigernwall have put together this list of 30 with visuals (yeah!) to help you along.
http://www.webdesignerwall.com/tutorials/photoshop-secret-shortcuts/