Ever since we got the first preview of ArcGIS.com and ArcGIS Explorer Online back at the Dev Summit, we’ve been waiting for the chance to try it out ourselves, Well, ESRI’s Bern Szukalski tweeted earlier today that the ArcGIS.com public beta is now live, so you can head over to ArcGIS.com and start making and sharing maps and checking out its other features. In this week’s podcast, Episode 253, which will be going live tomorrow morning, you’ll be able to listen to Bern tell us a little bit more about ArcGIS.com and how it fits into the overall ESRI platform.