Less reliable asynchronous communication media increasingly replace synchronous media. By tweaking your communication style you can minimize their disadvantages and master the… Less reliable asynchronous communication media increasingly replace synchronous media. By tweaking your communication style you can minimize their disadvantages and master the world of Skype, Viber, Whatsapp and SMS. http://www.forward-intelligence.com/index.php/blog/2014/02/use-multiple-acknowledgements-effective-asynchronous-messaging/