Is This Why Strange Stuff Happen On Facebook?

Is this why Taron, a facebook user, appeared on my ad of my own website, why strange symbols appeared on my profile, etc.? http://www.independent.co.uk/life-style/gadgets-and-tech/news/krack-wifi-wpa-2-free-network-internet-device-android-ios-iphone-phone-safety-privacy-security-a8002731.html

Strange symbols appear on social media!