Dan Rogers (@danjrog) posted a thread at WebmasterWorld showing a weird bug in Google.
It isn’t often where you’d see a search result show up in Google without a title to click on. But he spotted one for a search on keyword tool, which returns a google.com URL. I was not able to replicate it, but he provided a picture:

He said he has this issue on Minefield (Firefox 4.0b8pre) while searching in the UK. It is likely a browser bug and not a Google bug, but I thought it was cool enough to show.
Forum discussion at WebmasterWorld.

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