FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

BASICS OF BIG DATA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Select two correct strategies used by the online giants to get data of the people from the text ( ref:pg 39 Advertising para)
A
To keep a track of the user’s behaviour and transactions
B
To measure the time spent online by users
C
To create new availing opportunities for people
D
To provide a great deal of data about people to the advertisers
Explanation: 
There is 1 question to complete.