@MightyMODOK: In order to keep people (or bots) from creating accounts and just spamming the site, there's a limitation on the number of posts new users can make each day. After three days (so, after you break 15 posts), you can post as frequently as you want. Meanwhile, you can PM and blog and such...though you won't be able to respond to comments on your own blogs if you've met the limit.
It's super-annoying for well-meaning members, but you'll be past it very soon, so...welcome :)
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