Never shy about labeling its competitors as stone age or pre-Internet, NetSuite has taken the battle to its advertising. The San Mateo, Calif.-based cloud software vendor is trashing SAP, one of its favorite targets, in an ad in the Wall Street Journal. The full-page promotion features a faux text conversation about an SAP implementation on the screen of a mobile device. Here’s the conversation: “Why is it taking so long to get our ERP up and running?” “It’s SAP. What can I do?” “You’re tired.”