I recently noticed this entry in my stats:
* User Session 216.239.46.77 - Google Inc. (CA,US)
2003-01-10 09:39:29 - user created
2003-01-10 09:39:29 /robots.txt
2003-01-10 09:39:29 /
What happened here? Did Google visit, look for a robots.txt file, not find it and then go away again?