micro USB and USB PD are enough (Score 1)

EU has been pushing micro USB connector for charging phones. "EU wants all companies, ahem Apple, to use standard charger" http://cnet.co/1fKGnUt USB 3.1 will bring with new type-C connector and Power Delivery (PD) function. "Next-gen USB connector a reversible challenge to Apple's Thunderbolt & Lightning" http://bit.ly/1hnwxb2 Why do we need other option?