Mass Mobile Dependency

I saw an add for the Nexus One today, and it really got me thinking about how deeply routed mobile phones are in our lives.  It's more than just calling your friends and making business calls these days,  people constantly are wired to the Web transmitting details of their every action.   What if all mobile phones just disappeared into thin air?
If all mobile phones were to just vanish into oblivion for one day, there would be severe casualties in the business world.   I also think that some of our more mobile dependent faction would become overly depressed, and there would possibly be mass suicides.  This is where my point is coming to.  Are we too dependent on cell phones in this day and age?  I can realize that they are very handy tools with countless, useful daily applications to our lives, but are they more than just a tool?  I feel that my girl friend completes me and that makes me happy, but I think some people wouldn't be complete with out their cell phones.  Let's think about it people.  Stay fit and stay classy America.