להשתתף הפשרה, הפשרה, הפשרת כפור מלאי תקווה fitbit heat map דוחה אירוע כבודה
Fitness app Strava lights up staff at military bases - BBC News
FitBit has a heatmap that shows where FitBit wearers are walking most. You can see what parts of your city are most walkable, and even spot secret military bases in the data. :