Drop.io is one of the easiest and securest file hosting/sharing service out there. It only takes about 10 seconds to ge done. It offers a lot of features like your own url and not just random, so you don't have a hard time memorizing. You can put a password if you want, so not everyone can access it. You can even set permissions for the guests. It also has a preview function and is also very fast. It's all free. You get 100mb for free and if you want you can add more space or create a new one. You can make as many new drops (new hosting) as you can. So, check it out!