How do i get this effect in the video 0:7 - 0:8 That the lines come together and build a logo? pls help me http://www.youtube.com/watch?v=mfU8bZDKAMQ&list=HL1352499622&feature=mh_lolz
I'd look at that animation frame by frame. You'll learn a lot how it was done.
That's simple mask/ shape layer path stroke animation. Look up any basic tutorial on that.