The humble business card may seem harmless, but the global appetite for paper networking tools adds up to a staggering environmental cost. Each year, an estimated 4 billion trees are cut down for paper production, and a significant share of that waste comes from the billions of business cards printed and discarded after a single use. For Joshua Sodaitis, CEO of Peer To Peer Network (Stock Ticker: PTOP), that statistic is more than just a number; it's a call to action."We have to rethink the way we network," ...