Digital Cameras Camcorders

What are digital cameras (not camcorders) start recording video before you press the record button?

I asked this question before. Had only 1 answer, Sony. Sony says that their cameras do not. Any other suggestions? I heard that some cameras "remember" the last 5 seconds and add this to your movie when you hit the record button.

This series Sony Psychicshot. He knows when you consider making a video and starts before you know it.

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