SwiftOnSecurityHistory in pics: Testing prototype Roomba's in 1982. It would take two decades until they could be made small enough to clean under a couch.
lj·rk@SwiftOnSecurity The Zuse Institute Berlin #ZIB is so big that they still got one of these for cleaning the lobby!
JRT 
@ljrk @SwiftOnSecurity the benefit of the old models is that people can sit on it. The newer models are just for cats. What a downgrade!
@jrt @SwiftOnSecurity No problem for me ^-^'