i am sure sendhub would love to get a link to their site from this post ;-)
Other noteworthy company in this space (well funded, built by MIT PhDs) http://www.witricity.com/
we have been considering using tablets in the fileds for our mobile workforce, but typing on ipad is just too time consuming and not fun for less techy folks. paper and pen works way better for our guys. if stylus is perfected (can easily recognize what people are writing), it can change the game in our industry.
Link to Karma seems to be wrong.
To the awesome folks at MicroVentures - if you reading this, please consider not charging startups $350 just to pitch on your platform. On top of that you are asking for 10% of the raise + expenses which is huge. Kickstarter charges way less for creative projects. I will be surprised if you can attract any great deals.