Not quite what we meant by 'disk capacity' Richard Speed Fri 16 Apr 2021 // 07:15 UTC Share Copy On Call Welcome back to On Call and a timely reminder that no matter how careful and clear you think your instructions are, a user will somehow always misunderstand. Our tale, from a reader Regomised as "Keith", takes us back to simpler times: the era of the 5.25-inch floppy disk and software updates mailed out to users rather than flung out at inconvenient times by an unforgiving internet. Keith recalled a call from a customer complaining that the update of the company's proprietary software had not worked.