A privacy group has issued a safety advisory regarding ID scanners used at gay bars in San Francisco. The advisory is related to concerns over the scanners. Further details about the safety advisory and the concerns surrounding the ID scanners are available from the source.

The issue has been reported by NBC Bay Area, which provides more information on the situation. For those seeking more information, the full report can be found through a link on Google News, which directs to the NBC Bay Area article. This article likely contains additional details about the privacy group's concerns and the ID scanners in question.