Contributing to WordPress Core - It's Time to Give Back

I've been using WordPress for a number of years now. What started as hobby has turned into a business, as Kernel Creative Medias uses WordPress for the majority of our projects. Seeing as I'm constantly writing PHP, CSS and JavaScript to extend and customize the content management system, I figured it's about time I start giving back. Yesterday, I decided that I would begin contributing to WordPress core. What all does that mean? A lot, actually. »