Drumbeat/ideas/openhattip
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< Drumbeat
An Open Hat-Tip System For The Internet
This idea is documented on Mark Surman's post Drumbeat: ideas and proposals from Singapore. Preetam's video is viewable there in Flash, and is also available as open video.
sieciobywatel also posted a comment to Mark's post, which provides an interesting proposal for implementing an open, de-centralized hat-tip system.