But Brocade's switch can't connect data centers over vast distances like the Nexus, making it less attractive in an increasingly virtualized IT world.

FORBES: Cisco's Big Switch

So about three months ago, Mr. Doukas wrote a program to connect his Fitbit data to an Internet-connected switch on his refrigerator that can shut it down if he doesn't exercise.

WSJ: Sit Up Straight, and Other Advice From Big Mother

But for those unwilling to heed Sprint's many early warnings and make the switch to its CDMA-based Direct Connect plan before this coming January, there'll be an additional monthly penalty fee.

ENGADGET: Sprint plans $10 monthly charge for iDEN push-to-talk subs in the new year