• Name-to-key lookup: http://search.secondlife.com/client_search.php?s=People&q={NAME}
• Key-to-name lookup (better to use profile, below): http://search.secondlife.com/client_search.php?s=People&q={UUID}
• Basic profile: http://world.secondlife.com/resident/{UUID}
• Full profile (in-world only): secondlife:///app/agent/{UUID}/about