Visual Bee is an Israeli startup that offers a plugin for PowerPoint that can improve slides automatically. At the click of a button it does 2 things:
  1. Transform list of bullets into shapes that are distributed evenly over the slide
  2. Analyzes the words in your bullet points and picks an appropriate background image
The user can choose from a number of styles, that will be applied consistently through your document.

The style of the transformed slides is not exactly my personal favorite ("standard" stock images, lots of effects), but having said that, they do look a lot better than the original bullets. The best results are achieved if the original slide is actually already in pretty good shape. For example in the bullet slide above, the words have been cut to an absolute minimum. The tool will work less good when applied to dense slides.

As a professional designer, I would value a tool that automatically creates harmonious structures of 4, 5, 6, 7 objects. Fitting shapes around a pentagon is tricky.

For the non-professional designer, maybe the best thing that this tool does is to encourage you to improve the quality of the input slides: cutting text without worrying about the layout of the slide.