Dream machines?

During the next round of sleep tests, by monitoring the brain scans the researchers could predict what the volunteers were seeing in their dreams. They were able to assess which broad category the images were in with 60% accuracy.

"We were able to reveal dream content from brain activity during sleep, which was consistent with the subjects' verbal reports," explained Professor Kamitani.

http://www.bbc.co.uk/news/science-environment-22031074
What if in the future we could actually have a way to record our Lucid Dreams and play them back in the morning... I know we all have thought about that at one point or another.