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A comment on Google Wave and Spam. Parent comment

Re:Google Wave and Spam by ajju on Wednesday September 30, 2009 @04:32PM (#853604)
If you have to accept me as a buddy before I can send you a wave, this will prevent spam but make it harder for wave to replace email. Incidentally, this is also why "solve this turing puzzle before I accept email from you" type of anti-spam solutions are not widely accepted.
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Re:Google Wave and Spam by jgrahamc on Thursday October 01, 2009 @05:45AM (#854618)
Agreed. One way to prevent spam within Wave will be to limit its use. That could be done by explicit whitelisting and an out of band communication to get whitelisted (such as using email). Or just by limiting Wave use to people I actually know.

All unsolicited communications could come via email instead of my Wave.

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