A republican senator has sent a letter to Mark Zuckerburg calling for Facebook to improve its data transparency . Senator Mark Warner admonished the senator for failing to reveal the extent to which its Facebook mobile app would collect data on its users after many people accepted a fee of $ 20 per month from the company to install it on their computers . Facebook later banned the app from its devices in response .
A US senator has sent a letter to Mark Zuckerburg calling for Facebook to improve its data transparency. Senator Mark Warner admonished the company for failing to reveal the extent to which its Facebook Research app would collect data on its users after many people accepted a payment of $20 per month from the company to install it on their phones. Apple later banned the app from its devices in response.