This is an important message requiring you to make a choice if you're based in the EU.
Here is a list of socials APIs links, which will help you to get data for link (likes, share, comment and etc. count)
Read this Angular.js snippet and get relevant information about the differences and as well as similarities between Angular-route and Angular-ui-router.
Read this tutorial and learn useful information about the jQuery function that waits and then executes the function when all the ajax requests resolve.