The Mental Floss blog has an article on what I was talking about yesterday:
Scientists have started to use the abilities and prevalence of smartphones to their advantage, creating apps specifically for their studies and crowdsourcing observation and data collection. When almost everyone has an Internet connection, a camera, and a GPS unit right in their phone, almost anyone can gather, organize, and submit data to help move a study along. Here are 10 projects and apps that will turn you into a citizen scientist.
OK, so its focus is apps for phones, but it’s getting there. Many of these examples are doing things that rely on the assembly of technology to do something that couldn’t be done without it, or not as well.
Gravitropic 