Have Hard Disk Drives Peaked?

To read this article from Forbes, click on:
Have Hard Disk Drives Peaked?
Coughlin Associates estimates that overall shipments of HDDs in 2012 will be about 592 M (down about 5.2% from 2011). This estimate for 2012, combined with the drop in 2011 means that HDDs have experienced two consecutive years of shipment decline, a trend never seen in this industry.  Does this mean that HDD shipments have peaked?