As two students with the lowest grades delivering their graduation speech, they really do quite a good job, particularly Dwyane The Rock Johnson, who just can't hide the fact that he's a mighty wordsmith. 

Many deep questions are posed. Like "How do you throw out a garbage can? and "Is Ronald McDonald a virgin?" And as for the advice, well the main things is don't waste your time with fads like computers... spend your time getting to know your friends, because - what - is there going to be a magical "book of faces" some place where you can just reconnect with people whenever the whimsy takes you?! 
And, yes, Jimmy Fallon is totally morphing into Mike 'Wayne' Myers. What a difference a wig makes.