Way too many. I work as an engineer in a small ISP compaly, and for some time had very closely contacted with phone support (sometimes helping them) and heard

Way too many. I work as an engineer in a small ISP compaly, and for some time had very closely contacted with phone support (sometimes helping them) and heard many conversations with clients. I'd say there are quite a few people who can't distinguish between Internet, browser and VKontakte (Russian analog for Facebook). Didn't counted them or did any real statistics, though.