Apple Inc.’s new second-generation AirTag is basically a slightly better do-over of the original. At $29 for a single item tracker or $99 for a four-pack, it also costs the same. Upgraders can expect slightly better wireless range, a louder chime and the ability to pinpoint an item’s location with their Apple Watch: no iPhone necessary. Considering the original was released almost five years ago, some Apple fans and techies might have hoped for more.But after a few days of testing, the updated AirTag hasn’t ...