10 negatives uses of data analytics that can happen:

1. Knowing the personality of people by looking at their Data.
2. Bombarding people with similar things they have consumed.
3. Facebook can know what things you really hate and may be serve you something accordingly .
4. Hotstar can know which cricket star you like and show you ads off that star drinking Coca Cola.
5. There will be no free will at all.
6. Car companies can know that you are looking for a car through your insurance and start showing you ads . The decision which earlier used to be random or free may not after all.
7. Dr Batra will only send mails to those people who are hairless.
8. Google knows that you searched something in 2017 and it will be reflected in your recommendations of Youtube.
9. Evening is not a time to eat. But food companies can make this a trend and serve you accordingly.
10. Every alcohol beverage can advertise because it will be cheap for them to advertise accordingly.
11. Data about children can be used to manipulate their wishes. 
12. Google can know what kind of comedy you like- political or satirical or insulting— It can generate content accordingly.
13. Google can know your reaction time to triggers/cues. Like how fast you click on an ad.
14. Using past data to predict future. Often people change.
15. If you buy coke at a supermarket, they will flood with discounts on that products.
16. Often people have guilty pleasures when they often retort to when feeling depressed. In future, people will be more depressed and companies will use it to their benefits.