Dana Thomas wears a Fitbit clip every day to monitor her every move.
"I go into my iPhone to sync it. You can also sync it into your computer," she explained.
She's a part of a growing trend of people who are now using wearable fitness devices. Many are worn on the wrist. They can track calories burned, flights of stairs climbed and even sleeping patterns.
"And this shoes how I slept last night. So, if I expand it I can see that I slept for six hours and 59 minutes and I was restless four times for a total of five minutes, last night," Thomas said.
Industry analysts project strong growth in the fitness tracking devices market. Wearable fitness device sales have jumped from $43 million in 2009 to $854 million last year.
"They all kind of work the same that all of them track your steps," Scott Stein said.
Stein reviews the latest tech products for CNET. He says fitness devices are becoming more popular for good reason.
"They're affordable and they're understandable. And everyone wants to get fit or dreams of getting fit," Stein said.
Now, 27 million Americans say they plan to buy a fitness device within the next year. And Thomas has no plans to stop using hers.
"It definitely provides useful information if you're trying to stay on track," she said.
Thomas says tracking her activity motivates her to move even more.
On average you can expect to pay about $150 for a wearable fitness device.
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