Membership of the PMA is open to all, and its technical specifications are available to all members.

ENGADGET: Boston-area Starbucks testing wireless smartphone charging; Starbucks, Google and AT&T back PMA standard

Membership of the PMA is open to all, and its technical specifications are available to all members at www.powermatters.org.

ENGADGET: Power Matters Alliance garners support from BlackBerry, NEC, TI and ZTE

What is more, the open standard meant that engineers in different organisations had to agree with each other on revised specifications, in order to avoid being cut out of the game.

ECONOMIST: Ethernet