Everybody has his or her own passions and the Internet gives everyone a chance to obsess and be obsessive about them. And the rest of us can all enjoy the fruits of those labors.
Luke Cole is a guy of multiple interests who has a Big Thing about root beer. He's got a website devoted to the subject with all sorts of interesting facts about root beer manufacturing, plus the history, lore, and trivia surrounding root beer. Want to see bottle caps and labels? Luke's got 'em. He conducts regular tastings and puts the results right out there. Most impressive of all is his list of reviews of just about every kind of root beer available. There's no excuse for settling for mediocre root beer when a resource like this is available.