I'm admittedly a total noob here - after using the same crappy flip phone for the last 6 years that only made phone calls (no texts), my new fancy schmancy droid is taking a bit of getting used to. I was told by a friend that I should be very cautious if I do any online banking or anything, as this is an open source network and anything I do can be seen by everyone. I'm not really sure what this even means. I've looked up "open source network" but haven't really been able to find a definition that makes sense in layman's terms. I'm no techie, so much of the lingo is lost on me. So is my friend correct? Should I never access my bank account on my phone? Are there other things that I need to be cautious about regarding security? Any info or enlightenment is appreciated. Thanks!