MOHAI (the Museum of History and Industry) is holding an innovation contest on Twitter.
The Contest Rundown
1. Sketch your innovation or idea on a cocktail napkin and tweet it. 
2. The coolest idea wins a provisional patent and $500 on Kickstarter
How To Enter
1.       Print out the napkin housed here: http://www.mohai.org/images/Bezos_Center_opening_day_images/MOHAI_8552_Sml_Napkin_5x5.jpg
2.       Sketch a cool idea or innovation on it
3.       Tweet a photo of the napkin using hashtag #InnovationMOHAI before December 1st
4.       Winners will be selected by an expert innovation panel at MOHAI
Eligibility
·         Washington State residents 18 and over
·         1 entry per person/Twitter handle per week
·         Entrants do NOT cede intellectual property rights to MOHAI for their sketched idea.