If you use ancestry.com as your first experience of genealogy research (as I did), at first it can be amazing and easy to build a tree! After awhile the flurry of easy record and family tree matches slows down, you learn a bit, realise you’ve made mistakes, hit brick walls. Its then you’ll want to learn how to really use the power of ancestry.com and learn the skills of genealogy. And, fix your tree. There are loads of educational videos on the topic. this one is great. by the barefoot genealogist. http://youtu.be/oVI_ZamtlpQ