Macworld When Apple announced its Let Loose event two weeks ago, it caught us off-guard. With MacBook Airs in the rear-view mirror and WWDC just a month away, there didn’t seem to be enough products to fill an hour-long keynote. It turns out the rumors were right. According to Bloomberg’s Mark Gurman, writing in his weekly Power On newsletter, the Let Loose event “is expected to be about 35 minutes,” significantly shorter than other recent spring events: Peek Performance, March 8, 2022: 59 minutesSpring Loaded, April 20, 2021: 61 minutesShow time, March 25, 2019: 109 minutesField trip, March 2…