Sharon and Roy, well known for their contributions to the forums, posted a new Google find today. They found that "Google Adds "Retrieved Date" To Its Cache Pages". The example given is:
Google Cache version of forums.searchenginewatch.com. At the top it reads: "This is G o o g l e's cache of http://forums.searchenginewatch.com/ as retrieved on Jul 28, 2004 01:13:04 GMT."