User-agent: Mediapartners-Google
Disallow:

User-agent: Googlebot
Disallow:

User-agent: Twitterbot
Disallow:

User-agent: ia_archiver
Disallow:

User-Agent: Alexabot
Disallow: /demo.php/
Disallow:

User-Agent: msnbot
Disallow:


User-agent: *
Disallow: /