Marketing
CADVision had the highest market mindshare of any company acquired by PSINet.
Market Domination
CADVision cornered every visible marketing venue in the city. You could not go anywhere and not see CADVision. At one point, every single bus running carried an ad.
From Brand to Noun
It wasn't enough that CADVision had the market — it was critical that the name became a noun for the Internet. Market domination via word association. No matter how anyone travelled — car, bus, or CTrain — they saw two key words:
CADVision == Internet