A multitude of apps track the user's location in real time, while health and sports apps dig deep into their biometric information.
Vitumizi kadha wa kadha vimekuwa vikifuatilia mahali halisi mtu alipo, na kwa upande mwingine vitumizi vya masuala ya afya na michezo vikijikita katika kukusanya taarifa za vinasaba vya wateja.