If you don’t want everyone to see your private videos, Vimeo.com is the best option for you.
By joining Vimeo.com you will be allowed to choose who is able to match your stuff and who is not. As you join, their home page will become your home page and will fill up with the videos you like. There are sections that help you to get started, for example at Your Stuff section you can upload your first video and they’ll guide you trough it. There is a step by step guide that allows you to get the best out of Vimeo’s functions. It is a wonderful way for you to share your videos with friends. So, if you do not want everyone looking at your stuff join Vimeo and enjoy your privacy. 
