David Sparks is a trial attorney by day and Mac geek by night. David publishes the MacSparky.com web site that features Mac software reviews, screencasts, and punditry. David is also a co-host of the popular Mac Power Users podcast and regular participant on the Mac Roundtable podcast. David has written for several influential Mac blogs and web sites. David also was a faculty member at the American Bar Association's annual premier technology conference, ABA Techshow, in Chicago where he gave classes on using Macs in the practice of law. One particular focus of David's Mac teaching and writing involve using your Mac at work.