"The first thing that comes to mind is the novel 1984, with bureaucrats slaving away to keep files on everyone and everything.  So much more efficient and sanitary with computers.  /s"

"2052's Hottest Accessory! Your own personal EMP grenade for when your autonomous humanoid robot just goes haywire!  Don't let a robot mutiny ruin your day™!"

"Easy does it guys:  just because you recognize this as a specialized product that already exists in a particular field doesn't mean everyone else does."

"I doubt my bathroom hobby will garner a billion dollars but this is inspiring."

"Our sewage infrastructure is not designed for toilets like this.  They are designed with solids being conveyed by liquids.  Remember the first law of sewerage design: never let your liquids outrun your solids.  Without liquid to keep the solids moving you have blockage."