Free apps and privacy for dummies....

Start with basic thought “if Facebook and Google is free for us how come they are richest companies on planet?”

Complicated answer “if its free for you, then YOU are the product”

Easy answer as below So am a business, say an automobile manufacturer planning to launch a new car in your country / city.

I can send my RnD team to find out which product will be successful before investing heavily or Facebook can offer me number of people who like cars?