This produced a ratio of active premium payers to recipients of 1. 8 to 1.

FORBES: Why the Bureaucracy Won't Reform Old Age Welfare

At the same time the ratio of active workers paying into the system to retirees drawing from the system has reached 1.86 to 1.

FORBES: Old Age Pensions 10 Percent of GDP and Rising

Today there are almost 700, 000 GM retirees and just 70, 000 active workers, a 10-1 ratio.

FORBES: GM Loosening The Noose From Its Massive Pension Plan

With a ratio of well over 15% paying subscribers to active free users, Spotify is the largest and fastest growing service of its kind.

ENGADGET: It's here! Spotify lands in the US (video)