Gift Guide: Some tech gadgets that actually fill a real need

NEW YORK — Sometimes you can sense that tech products are striving to solve problems that are manufactured by their manufacturers. Smartwatches, for instance, have long been a nifty idea — but they’ve offered few tangible benefits for anyone but health and fitness enthusiasts.
That’s why it’s notable when a particular gadget finally breaks through. The latest Apple Watch, for instance, has heart-monitoring features that will appeal to those who aren’t active.