The Ins and Outs of Online Marketplaces with Elizabeth Marsten: Welcome to Marketing Speak. I'm your host Stephan Spencer, and it is my pleasure to welcome onto the present Elizabeth Marsten. atOptions = { 'key' : 'a8dfc29b76f8e0e43144f40c1f6e4e79', 'format' : 'iframe', 'height' : 90, 'width' : 728, 'params' : {} }; document.write('');