If you are looking to improve your golf, online lessons could be just what you are looking for. It's a heck of a lot cheaper than paying for professional lessons and you also get to learn at your own pace. Apart from having expensive lessons from a pro, online lessons are the best way to quickly improve your game.
There are many different programs out there. Some improve your overall game while others are specific to improving your driving, chipping, putting or even your mental game. It's up to you whether you want to improve your whole game or just one aspect of it.