Like the side ponytail craze of the '80s, the newest trend is turning out to be the mobile wallet -- especially as major players like Google, MasterCard, Verizon, Discover and now PayPal board the bandwagon. Our old buddy -- best known for its love affair with eBay (and ripping our own Darren Murph off a solid two large) -- has plans to implement new payment features primarily for (but not limited to) mobile. On the to-do list are things like QR / barcode scans, hyper local deals, fast checkout via NFC, etc. The company is adamant that it's not "just shoving a