 Elon Musk said his brain tech startup Neuralink is hoping to implant its system into a second human patient within the next week or so. The company implanted its first human patient this past winter, but executives said that only 15% of the tech's channels are working. Costco is hiking its annual membership fees in the U.S. and Canada by $5 starting September 1st. Its higher-tier plan, called the Executive Membership,