This one here they talking about using technology like gps/camera working with your iphone/adroid phone. there's also a thing that some guy had his laptop stolen so he rigged his package with a car alarm and sound recorder, all of this was triggerd once the box was opened up.
http://westernshootingjournal.com/editors-blog/ups-suggestions-firearms-shipping-part-3/
http://westernshootingjournal.com/editors-blog/ups-suggestions-firearms-shipping-part-3/