I'm a big fan of the video community Vimeo. It's sort of the independent version of YouTube. They recently launched a video school that shows users how to shoot good video.
The content covers a lot of aspects of best practices in video creation. For example, the below video outlines white balance and how it's important to capturing accurate colors in your video.
Despite the technology available to consumers these days — most of which is automated — it's still important to learn the basics to produce footage that's less point and shoot and more professional. After all, they're your memories so why not make them look as best as you possibly can.