Mental-health apps have a dark secret — and it raises important questions about the future of online therapy

Now, I’ve curated our five top stories in tech for you. (Yes, I’m afraid it isn’t the usual 10, but I thought today I would keep things short and sweet — like my cat.)

1. Online therapy fills a critical need — but it has a dark side. You may recall a Politico investigation last year that explained how Loris, a startup that helps companies improve their customer-service conversations, found a way to make money off of people caught in a mental-health emergency.

• The data Loris...