For example, WhatsApp restricted the number of times a user could forward something, and developed automated systems that detect and flag objectionable content. In the United States, Telegram's lower public profile has helped it mostly avoid high level scrutiny from Congress, but it has not gone unnoticed. The regulator said it had received information that messages containing stock tips and other investment advice with respect to selected listed companies are being widely circulated through websites and social media platforms such as Telegram, Facebook, WhatsApp and Instagram. False news often spreads via public groups, or chats, with potentially fatal effects.
from es