Also this week: A new survey took a look at the “AI debt” incurred by inaccurate AI workflows and a big new AI regulation took effect in California. On the bright side, you might have finished a few of these new free online courses by the time the week’s over. Below, we’ve listed a few learning courses focused on a range of AI-related business interests and functions. Most of them are four hours or fewer, but we threw in a few 40-hour-long picks for all you overachivers. AI likely isn’t going away any time soon, and these courses offer a few quick lessons in figuring out what it all means for your own career.