The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
From Simon Meyborg:
"... it may just save your life." TECHCRUNCH My Witness lets you take images and sends them AUTOMATICALLY to up to three email addresses including your phone number and geographical position. It allows you to snap a picture in emergency situations and get it out to your friends and family immediately. Video: http://www.youtube.com/watch?v=hxFETAv8J3I It also can act as deterrent to a possible threat or gives you possibilities for identification if harm was done. It is the private security cam for your pocket.