In recent weeks, Microsoft has splashily released its own version of an electronic reader, which illustrates the relentless if not rapid progress taking place in this market.

The clock inside his skull had resumed its relentless progress.

The gold-armored men did not pause in their relentless progress, although the angry slaves tried to block their way.

Those weren't the words; his father kept up his relentless progress toward the end of the corridor.

But they are encouraging, they said, if only because they suggest it is possible to intervene in the otherwise relentless progress of the disease.

"You'd be a relic then, obsolete, a phase long bypassed in the relentless progress of Uplift."

The worm did not slow its relentless progress until just before dusk.

The March of Time broadcasts began with the tramp-tramp-tramp of shuffling feet, to indicate "the relentless impersonal progress of events."

The ward notes from his first ten years show the sad and relentless progress of his downward spiral.

F'lessan regarded their relentless progress.