Awhile ago when we changed from the older-style “First and last name” at registration to “Single-word username” system as part of display names improvements, single-username Residents could view, but couldn’t post to the forums and blogs here at blogs.secondlife.com.
via Second Life Blogs: The Support Team: [FIXED] Newer Residents *can* post to the forums and blogs!.
How many kinds of fuckwit can Linden Lab be? Honestly! The post goes on to say that accounts with the new single usernames still can’t log in to the Second Life wiki.
And the new web profiles? The login at my.secondlife.com doesn’t persist over to secondlife.com. Nor to the marketplace. And once you’re at the marketplace, there’s no link that will take you back to your SL account.
Welcome to your new more predictable Second Life experience!