Social trading is way of trading where traders can copy trades for free from other trading experts. See video below :
about social trading
Social trading definition by Social Trading Wikipedia:
Social trading is a form of investing that allows investors to observe the trading behavior of their peers and expert traders and to follow their investment strategies using copy trading or mirror trading. Social trading requires little or no knowledge about financial markets, and has been described as a low-cost, sophisticated alternative to traditional wealth managers by the World Economic Forum.