The practice of sharing passwords so that more than one person or household can access a streaming service has financial ramifications for the industry, according to a new report, though it could also provide new services with a boost in the market, said 3Macs analyst Troy Crandall. “In a way, sharing credentials can sometimes be somewhat of a marketing tool, especially if you’re just starting out,” he said in a phone interview. “Over time, obviously you do have to get a better handle on it.” He added that “it actually can be beneficial for them when...