How people explain things in simple words so that many others can understand? I am really thankful to Sandeep Panda for explaining JavaScript Promises in simple English!
Couple of lines from this site "If you use the Promise API to make an asynchronous call to a remote web service you will create a Promise object which represents the data that will be returned by the web service in future...".
Read more...
http://www.sitepoint.com/overview-javascript-promises/
