And unlike dual-drive designs, WD's hybrid technology provides single-unit design homogeneity that OEM system manufacturers have long sought from the storage industry.

ENGADGET: Western Digital builds 5mm-thick hybrid hard drive, Ultrabook makers sign on early

Only late in the day did academics realise that the university's system, now being designed as a single unit, could be used as a way to distribute information about classes and, more recently, about grading.

ECONOMIST: Lessons of a virtual timetable

Unlike other rich countries, Japan does not have a consolidated tax system in which companies in a group are taxed as a single unit.

ECONOMIST: Tax reform runs late