Why SAP CEO Bill McDermott signs his emails 'XO, Bill' since buying Utah startup Qualtrics for $8 bi

If you get an email from SAP CEO Bill McDermott these days, you'll see him sign it "XO, Bill." But he's not sending hugs and kisses. He's reminding his people why he spent $8 billion cash to buy Utah software company, Qualtrics, last fall and facing down criticism that price he paid was too high.  McDermott recently outlined the virtues of the deal just as SAP began handing out pink slips worldwide.  These days SAP CEO Bill McDermott signs his emails. "XO, Bill," he tells Business...