A tagboard is a great way to interact in a fun and informal way with your web site guests. You can leave short bits of news or greetings, and ask your visitors to respond. Your visitors can also easily interact with one another, thus forming a sense of community. If you want to keep visitors coming back to your site, and want your site to seem open and friendly, try a free tag board and see if it helps!

There are zillion of free tagboards, tag-board.com, myshoutbox, oggix, tag-world, and many many more.