Stacks is an extension that organizes the links of your favorite contents  online. You can add anything, and it will automatically fall on the available categories like articles, places, media, profiles, stocks, and other. You can also bookmark the stuff you want to read later or save it for a time. You can even create a list of articles and places you want to visit. It is all done in a very easy and intuitive way, so even people who don't know how to use the internet can make it work.