Deep Shot: Google, MIT Sync PCs and Smartphones with Snap of Camera [w/ video]
bostinnovation.com
bostinnovation.com
Lets not forget the argument that Apple made with not doing touchscreen on laptops and pc's etc.
Works well. I'm not sure how many of the other solutions do this as well, but it treats maps, websites, and phone numbers (and maybe more?) differently, launching the appropriate apps in response.
I've often found that it's easier to take a photo of event information on a computer screen rather than try to enter the information in my phone some other way--which always struck me as "wrong". The method demonstrated seems like a useful way of extending that action.
Another article on the same work: http://arstechnica.com/gadgets/news/2011/06/deep-shot-uses-c... (via http://news.ycombinator.com/item?id=2665639)
This is a link to a blog post with a video in it, not a direct link to a video. (I was mislead by the [video] tag; it's from the original blog post.)