Digital Album Sales Still Eclipsed by 8-Tracks...
The digital album may ultimately win this race, though cumulative 8-track sales are still much larger than digital album sales to-date. And here's a scary thought: at current growth rates, the brick-like 8-track could actually be hailed the victor. Take a look at these shipment totals, based on RIAA figures dating back to 1973 (the format was actually introduced in the mid-60s, though we don't have reliable figures for that pre-1973 period).
