original: chrome extensions [MASK] accomplish everyday tasks.
infill: chrome extensions ( expedite the ability to / unlock the means to more readily ) accomplish everyday tasks.

original: at a time when nintendo has become inflexible, [MASK] consoles that are tethered to a fixed iteration, sega diligently curates its legacy of classic video games on handheld devices.
infill: at a time when nintendo has become inflexible, ( stubbornly [MASK] on / firmly set on / unyielding in its insistence on ) consoles that are tethered to a fixed iteration, sega diligently curates its legacy of classic video games on handheld devices.

original: