Talking about this http://support.google.com/websearch/bin/answer.py?hl=en&answer=86640 http://support.google.com/websearch/bin/answer.py?hl=en&... There othe

Talking about this http://support.google.com/websearch/bin/answer.py?hl=en&answer=86640 http://support.google.com/websearch/bin/answer.py?hl=en&... There other ways of blocking crawlers other than robots.txt