Oh God, am I that old???

What the heck is a PSP movie? I was watching television last night and they advertised a new movie that was now available in DVD and PSP. PSP!!!! What the heck is that???? I am apparrently so old, I have lived through three innovations in the movie field; VHS, DVD and now PSP??? And not only am I so old that I have seen so much new stuff come and go, I am so old I don't even know what the new stuff is????? Oh god, shoot me now, before I start going on and on about life in my day and how kids these days don't know how lucky they are. I am going to go now before I start talking to myself . . .psp what the heck is psp??