Google, which I use daily for searches, has a Beta Usenet type site in which our posts here are compiled with our posts to other Usenet sites. So one can rather quickly see what someone is about, just by looking at his or her Google assembled Usenet posting summary.
Posting to a Usenet site isn't a private activity but it's chilling to see how single pieces of public activity become a profile when they are so assembled - like having a snooping neighbor or coworker follow one's activities. However, in this instance, it's not just one snoop who follows one's activities but potentially anyone who uses the Internet!
See for yourselves.
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What do YOU think?Tom