An intersting playful experiment developed by google, where even if you don't know how to play piano, the AI behind the tool will help you play by responding to the melody you are trying. Must try

Explore the concepts behind IBM's latest AI research by playing with application to beat the machine and by doing this you also contribute in helping IBM understand human behaviour better

Just try this out, you write the text and the machine will try to guess an image, developed by Microsoft,where they trained an algo to turn text captions into images. 

NVIDIA released algorithm called FastPhotoStyle that can transfer the style from any photo to a different image, producing impressive, photo-realistic results. You should check this out its fun