Perpetrators of such fraud use various marketing techniques to attract subscribers on their social media channels. For tech stocks, “the main thing is yields,” Essaye said. For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. Such instructions could actually endanger people — citizens receive air strike warnings via smartphone alerts. In 2014, Pavel Durov fled the country after allies of the Kremlin took control of the social networking site most know just as VK. Russia's intelligence agency had asked Durov to turn over the data of anti-Kremlin protesters. Durov refused to do so.
from ru