LOS ANGELES (AP) — By age 23, Emma MacTaggart was already noticing how rare her free time was — and how it was seldom screen-free. She was working long hours in investment banking and once she was finally able to log off after work, she would turn to her phone. Along with her roommates, she decided to hunt for a hobby that would replace that habit. They became “hooked” on needlepoint, she said, a practice she had briefly learned from relatives as a child, but one that she hadn’t picked up in