At the end of one recent sunny afternoon, Fredric J. Forster was strapping on a pair of in-line skates, preparing to exercise near his home in Corona del Mar, Calif.

A year earlier, Mr. Forster, 53, could never have considered spending time this way. Nor could he have done so during the previous 25 years.

Subscribe Now

Access to authoritative analysis and perspective and our data-driven report series.

14-Day Free Trial

No credit card required. Complete access to articles, breaking news and industry data.