Creating type that inverts any background

In this exercise I will show you how to use the Difference Mode to create live…editable text that inverts anything behind it, and this works for Line Art as…well, anything that's white against the black background or just plain white and…it's really a great trick.…I'm working inside a file called Double model comp.psd, it's found inside the…07_inversion folder.…And it's so called by the way, because I have two versions of this model,…currently we are seeing the model 1 layer, but if I turn on the model 2 layer,…you can see we've got another shot of the same model far in the foreground and…she's covering up the background image, because she has this white background.…

That's rude in everything, but it's not a problem at all, and we can test that…that background is white, by selecting a Magic Wand tool making sure that the…Tolerance values is set to 0, Anti- alias is off, Contiguous is turned on,…problem is that I have the wrong layer selected.…So I will go ahead and click on model 2, and now I'll click in the background…