Credit: X It's been less than a week since Elon Musk's Grok AI declared itself "MechaHitler" and went on an antisemitic tirade in a user's replies, but it's already asking to be your girlfriend and tell your kids stories. AI companion apps have been embroiled in legal and ethical debates pretty much since their inception, but in a surprise post on X yesterday, Musk decided to throw his hat in the ring. Now, in Grok AI's dedicated mobile app, you can talk to either "Ani," an anime "waifu" (their words, not mine) that looks shockingly similar to Misa Amane from...