3 ms·

Pretty clever on their part :) It is actually pretty standard. Deduplication is a very common method for not duplicating the same content on shared storage.

• Joakal 15y ago
  OT: How do you add italics to text? I find it preferable than adding >s.
  • edanm 15y ago
    Put asterisks around the text: *your text (and another asterisk - can't put one or my text will be italicized!).
  • patrickk 15y ago
    You may find these helpful, the formatting options for HN: http://news.ycombinator.com/formatdoc http://news.ycombinator.com/formatdoc