"First Post!" is an Internet phenomenon on Internet discussion groups, where participants strive to be the first person to "post" a comment to a new article or discussion thread. This terminology dates back to the days of the BBS, when one would post a comment, much as one would post a reply on a physical bulletin board. The phenomenon is largely confined to sites that have reached a high degree of popularity, such that users are genuinely surprised to see an article without any associated comments. There is also the necessary condition that comments are displayed in chronological order (meaning the first message is the most prominently displayed). It is prevalent among user-commentary sites and does not often appear on conventional webboards, community journals, etc.