Sure, you could just use a pen and paper to track your weight...but you know what? This ensures you can't fudge a bit (the numbers, not the food). These scales automatically track your weight as well as who's using them, and then upload them to private (or shared!) sites.
About this item
The FitBit Aria connects to the rest of the FitBit ecosystem offering automatic uploads of weight straight into your FitBit account and app dashbaord.