With wireless charging now becoming ubiquitous with Samsung, Apple and others embracing the tech with various smartphone models, it's interesting to note many major gadget makers have gone with the Qi standard. But it wasn't so long ago that the rival PMA standard, championed by one-time market leader Powermat, was leading the charge. But with Powermat joining the Wireless Power Consortium, we are now moving on from wireless charging's version of VHS vs Beta or Blu-ray vs HD DVD.