You need some kind of focus to really learn things. Like the above poster says, theres simply too much to really just take it all in (not that you couldn't, it

You need some kind of focus to really learn things. Like the above poster says, theres simply too much to really just take it all in (not that you couldn't, it's just... if you really wanna learn, you need to start small). Think of a specific web app, then try to learn all the ways you can use various pieces of HTML5 to build it. The DiveIntoHtml5 link that both of us provided is an excellent place to start, once you have an area of study in mind.