Hi, folks, welcome to Week in Review (WiR), TechCrunch’s newsletter that highlights some of the more noteworthy moments in tech over the past few days. The holiday season is nigh upon us, but the tech industry waits for no one — on the horizon are IBM, AMD and Intel conferences, plus the annual Consumer Electronics Show in Las Vegas. The news cycle won’t die down anytime soon, and rest assured we’ll continue doing our best to keep you informed. But I’m getting ahead of myself. A fair amount happened this week, including Amazon’s re:Invent conference, a ransomware catastrophe at Fidelity,…