2. CHALLENGES The world faces many challenges. One of those is addiction.

3. ADDICTIONS Crack Heroin Ecstacy Crystal Meth

5. What is Soundrop?  Musical Geometry/Physics app for iPhone/iPad  Created by Max Weisel  More of a musical instrument than a game  Easy to play  Game for all ages  Cost $1.99 or free demo

6. How to play Start with a small hole on the screen Little balls start dropping at constant rate

7.  Draw Lines with finger on touchscreen  Balls bounce off lines and:  Bounce of f the lines with simulation of geometry  Make harmonious musical tones varied by height

8. Pretty soon you have a madhouse of beautiful sound.

9. Demonstration

10. C OMPETITION  Looked for imitations. Couldn’t find any.  Never say never  Unavailable for Android (open market)

11. The End