10 of the best loyalty program for 2019..food zomato gold, travel frequent flyer,make my trip double back, Facebook even track's user's who don't have app.. study ..on smartphone

10 of the best loyalty program for 2019..food zomato gold, travel frequent flyer,make my trip double back, other's paytm movie pass RS 800/30 day's , Uber ride pass RS 49-69/month ,swiggy super RS 149 /month .. every one loves a good discount but don't limit your shopping to the big discount sales there are so many loyalty programs available that entitle you to extra benefits rounds up some of this favorites that every one should option in for in 2019. 

Facebook even track's user's who don't have app.. study ..on smartphone with out install app still data reach to facebook.in 14 countries data sell by Facebook getting data from other apps trip adviser and sky scanner app through world-wide track Android phone user by through app's data reach to Facebook Facebook sell data to comanys comanys analysis to display their advertisement data theft by Facebook software development kit SDK Data theft by mobile number photo video email site's watched information searched data transfer by 23 app's 5 of these language Duolingo,travel and restorent  ,trip adviser,job Data base indeed, flight search, engine sky scanner.facebook use data by app user's activity information sell for advertising to display Facebook says Data sharing user's and comany for both benefits common practice Google says user and personalization disabled it information  can hide it sky scanner says we have update app data will not leak now.