Facebook is working to secure its dominance in the messaging app markethttp://www.businessinsider.com/facebook-shuts-down-messenger-on-mobile-web-2016-6?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+typepad%2Falleyinsider%2Fsilicon_alley_insider+%28Silicon+Alley+Insider%29 by jamescustard • 10 years ago 2 0 10 years agoBUbusinessinsider.com