Hot Gadgets or Dinosaurs to Remember?

Did you realize that most of today’s “hot” gadgets will be totally outdated in just a few years. Here are some examples: The first IBM PC, first hand-held calculator, boom box, cassette player, rotary phone, B&W TV, AM radio and many more. What others come to your mind?

So while you are thinking of ideas to share with us, should you hang on to that new iPhone you are about to purchase as a collector’s item, or get rid of it when the new one comes out?

Thoughts?