Guitar fingerboard knowledge #2 - finding the same note on other strings

This is video #2 in my series of videos on guitar fingerboard knowledge. Here's an example of what you'll learn in this video - If you're playing the open E string, how do you find the same note on the 2nd string? the 3rd string? By the way, if you're confused by anything in the video, makes sure you watch the video for review. Here's the link - https://www.youtube.com/edit?o=U&video_id=47ZNpbFw5fw