An evening with friends, discussion about the next adventure trip and suddenly an ad from an Adventure Travel Gear pops up. Good Coincidence. Discussing with a neighbour, which leather seat cover to buy for my car. in a couple of hours, I see an ad about Exclusive / Custom made Italian Leather Seat Covers for cars on Facebook. One more coincidence. Next day at work, working on a proposal for marketing on Whatsapp, the opportunities and the challenges in a country where DND is present but not strict, the spam messaging and brands like "Stayzilla" using whatsapp as a platform to share their offer-related ads. Same day, after a gap of 3 months, I see an ad from "Stayzilla". Coincidence? Maybe NOT. So we do a small test at workplace, with 5 devices (on high speed internet), latest OS and loaded with all the important apps. All the participants clear cookies, cache, etc and discuss a few brands that are not consumed /bought / browsed / Searched on Google or use...