Justin (CTO of Basho) gave a phenomenal presentation (keynote worthy) at NoSQL East.<p>Vector clocks are easy and once he explained it in the presentation it "clicked" for me.<p>You can watch the whole presentation here, but if you want to get just the bit on Vector Clocks, fast forward to 28m<p><a href="https://nosqleast.com/2009/#speaker/sheehy" rel="nofollow">https://nosqleast.com/2009/#speaker/sheehy</a><p>But seriously, I <i>highly</i> recommend watching the whole presentation.  These guys are brilliant.