now by pure chance, a case in point happened to notice jack rabbot being put through his paces. we'd met mike cannon a few months earlier when shooting him delivering packages for google express. >> so i'm delivering dna samples to all of the various labs on campus. >> reporter: you're just watching us shoot. >> and it caught my attention. i thought that's my replacement. (laughs) >> hi i'm oshbot. >> reporter: at a hardware store in silicon valley, oshbot. doorknobs. >> sure. follow me. a joint venture between the lowe's chain of stores and a startup called fellow robots. >> reporter: are you serious? and, without ever needing a coffee or bathroom break, its voice recognition software, fluent in multiple languages, and laser sensor safety technology can do a better job than many of america's five million or so retail workers. >> maybe 50% of the retail clerks could be replaced by this kind of technology? and of course this is just the beginning. >> reporter: now oshbot's inventor, marco mascorro, disputes that his baby would put anyone out of work. so you don't see oshbot replacing people? >> no, i