Since the Slashdot (The website for nerds) lunched a new AJAX-style comment filtering system, it’s much easier to read the high-score-interesting-and-Insightful comments for stories.
If you look closer, you will find an arrow in the comments list of a story. The arrow is keyboard shortcuts indication just like gmail, which help you read the messages by using the keyboard.
But the keybindings are different with Gmail or other forum discussion system. You can learn the keybindings in Slashdot’s FAQ.
/* keys prev comment: A, H next comment: D, L prev thread: W, J next thread: S, K prev comm chrono: Q next comm chrono: E next unread comm: F reply to current comment: R parent of current comment: P history (modlog) of current comment: M hide history: X skip to end (last): V skip to top (first): T get more comments: G lower top threshold: [ raise top threshold: ] lower bottom threshold: , raise bottom threshold: . toggle d2 widget: / */