Butler Lampson<p><a href="http:&#x2F;&#x2F;research.microsoft.com&#x2F;en-us&#x2F;um&#x2F;people&#x2F;blampson&#x2F;33-hints&#x2F;webpage.html" rel="nofollow">http:&#x2F;&#x2F;research.microsoft.com&#x2F;en-us&#x2F;um&#x2F;people&#x2F;blampson&#x2F;33-hi...</a><p>Unfortunately, his current employer chose a different order: 3, 1, 2. Sometimes they drop 1, 2, or 3 separately or in groups at random. Gotten much better at 2 and 3, though.