Don't go to that rave tonight without the proper knowledge of glowsticking. Learn the basics right here from TheNeonColorSwitch. This two-part tutorial will show you how to freehand glowstick and color switch with four sticks.
It's slow, but informative, and has some moves in slow motion for better teaching. Part 1 is not lighted and covers four sticks. Part 2 is lighted glowsticking and covers the color switches and four sticks.