on the visual design (not so much ui/ux) the over-use of cloud imagery feel cheap and dull. i would suggest removing all graphics, color and typography to bare minimums (black/white/greys, one simple font). for the image, drop in a simple canvas/javascript/processing.js particle system to illustrate dissipation .. a cloud of white pixel-like particles dissipating .. not requiring interaction. from a google image search for "dissipation": http://thelarkeyexperiments.com/category/dissipation-studies...