Ed Matthews writes " Yesterday's Wall Street Journal profiles the coolest gadgets that either aren't available in the USA or are slow to emerge. It questions whether the U.S.'s reliance on PCs is a ball and chain, and highlights the mistake made by the US in not adopting a single standard for wireless communication. It also refers to the cell-phone carriers as "slow-moving, bureaucratic," and "having a chokehold on innovation." The regular B section requires a paid login, but you can read Walter Mossberg's column for free." Having dealt with the US-cellular companies for the last two weeks, and been extraordinarily unhappy with one company that's sucked away fourteen off my life, I'm curious what everyone else thinks will be the emerging technology - and where it will be.