What rounding algorithm does Facebook use when time stamping comments?
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For example, the time stamp for a comment might say "About a minute ago" or "About an hour ago." What precise time range does this mean?
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Answer:
MIT says "Concurrent Timestamping Made Simple"...I'm guessing it's only made simple for MIT students??? http://groups.csail.mit.edu/tds/papers/Lynch/istcs92-long.pdf
Jason Chen at Quora Visit the source
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