Theres more to the Droid than its high-end spec-sheet and Android 2.0 OS. Turns out, Verizon (NYSE: VZ) Wireless is going to let Droid owners use their new smartphone as a 3G modem. But, itll cost ya. In return for allowing you to connect your laptop to your Droid and use its 3G data connection to hop online (tethering), Verizon will ask that you hand over an additional $30 per monththats on top of the $30/month data plan that gives you 5GB of data per monthly billing cycle. The tethering option