Flash memory in notebook computers will become more common, either alone or perhaps more commonly, in combination with HDDs to increase overall system performance.

FORBES: Niches for Flash Memory at the 2013 CES

Devices with this interface will be common in client computer devices using flash memory, including notebook computers and some tablets.

FORBES: A New Age of Digital Storage Interfaces

Thus flash memory in ultra thin notebook computers will be most popular ether incorporated into a hybrid HDD (such as those offered by Seagate Technology, Western Digital and Toshiba) or as a dual storage device configuration where the OS and applications are stored on a small SSD and user data is stored on a HDD.

FORBES: Have Hard Disk Drives Peaked?