3 ms·Right, but 10 if you're inclusive.by rconti 8y agoRight, but 10 if you're inclusive.notatoad 8y agosorry, i'm still not understanding how that works. from WWDC '09 to WWDC '18, inclusive of '09 and '18, is 9 events.rconti 8y agoIt's not. 1. 2009 2. 2010 3. 2011 4. 2012 5. 2013 6. 2014 7. 2015 8. 2016 9. 2017 10. 2018