The Fitbit Surge is now useful for tracking more than just your running when you're outside. An April update to the GPS fitness watch will let it track outdoor bike runs, so you'll know if you beat your previous best time or got your heart thumping on that uphill route. On the mobile app, you'll also have a history that shows whether or not that last ride was as intense as you thought it was. And Surge cycling isn't the only big Fitbit update in the works -- you can finally link multiple trackers to a Fitbit account as of this week, so you don't have to wear your exercise gear to the office just to maintain an accurate step count.
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