This week’s top-5 trends: A rapper brags in a video about unemployment fraud and gets arrested; ExxonMobil to launch contactless pay-at-pump; Nordstrom adds online order pick-up service as retailers seek to recover sales; experts expect shipping delays, low Inventory, and fewer last-minute deals; and merchants brace for a fraud surge as holiday shopping moves online, with Wendi Lete, Kount’s director of professional guaranteed services. #Kount5in5