WCSeattle – Heartbeat Lightning WCSeattle - Heartbeat Lightning Presentation at WordCamp Seattle 2014 by Mike Schroder about the Heartbeat API. Share this: Click to share on X (Opens in new window) X Click to share on Facebook (Opens in new window) Facebook Click to share on Reddit (Opens in new window) Reddit Click to email a link to a friend (Opens in new window) Email Like this:Like Loading...