Do you know what is Blackjacking? Playing Blackjack? Nope.
It is a new term refering "BlackBerry Hijacking". Cool... it refers to hacking and hijacking to handheld devices. Yes, enterprises tend to have more mobility by using these tiny devices for mobile communications. However, the security on these new technologies are often missed.
Have you evaluate the risk associate with these wireless technologies together with handheld devices (not limited to BlackBerry, but also other handhelds like iPhone, cell phones, PDAs, etc.)? It is an interesting topic for research.