Not only did Cisco take itself out this week, but so did Google when they mistakenly identified one of their own blogs as spam and summarily deleted it!
That's incredibly funny. What's more is that the incident points out exactly how aggressive Google spam filtering technology really is. If the technology would misidentify one of the company's own blogs as spam and simply delete it outright then we can safely assume that the same thing has happened to other people.
Check out the story over at ComputerWorld for a few more details.