User-agent: *
Disallow: /

User-agent: ia_archiver
Disallow: /

User-agent: SurveyBot
Disallow: /

User-agent: SurveyBot_IgnoreIP
Disallow: /

User-agent: Googlebot
Disallow: /
Allow: /$
Allow: /join$
Allow: /hints/about
Allow: /hints/howto
Allow: /sitemap.xml