Filipinos are tied with Argentinians as the world’s biggest users of social media, according to a report this year from London-based consultancy We Are Social. Use is so prevalent that finance officials said in 2010 they were turning to Facebook and Twitter to track down tax cheats. The Philippine campaign echoes similar moves in China, where the securities regulator last month started a campaign to crack down on market manipulation by brokerage employees using non-public information, as an equities boom lures a record number of novice investors who risk being left out in the cold by sudden, unexplained stock-price movements.

http://www.bloomberg.com/news/articles/2015-05-20/facebook-is-next-frontier-in-philippines-insider-trading-battle