For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. Again, in contrast to Facebook, Google and Twitter, Telegram's founder Pavel Durov runs his company in relative secrecy from Dubai. Telegram was founded in 2013 by two Russian brothers, Nikolai and Pavel Durov. 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 ms