You literally like those ones that also offer this kind of service on other social media. Most often on Telegram which what just mentioned eaerlier above by
stomachgrowls, this invitation will end up asking for subscription fees later on/upon joining and visiting your link group.
Most of the time, this offers always shows how a daily trades have been successful for a particular day, ofcourse that's to attract people to pay for subscription fees.

When does Satoshi said this quote?