"Theo Segaller, Timlinson chinh la nguoi sang tao chu @ [a cong] de phan biet nguoi viet mail va noi lam viec hay dia chi cua nguoi nay. Khi nhung nha nghien cuu thay duoc cong dung cua email thi viec su dung chung bung chay ngay, cac mang xuat hien va hang loat the loai thong so khac nhau duoc truyen qua lai giua cac truong dai hoc, co quan chinh phu, cong ty va cac hang nghien cuu. Nhieu mang dien toan ra doi, nhung nhu Segaller cho biet, chung chi cho phep cac khach hang lien he trong noi bo moi mang ma thoi, vi cac mang nay khong "noi chuyen duoc voi nhau". Cho den khi hai nha nghien cuu Vint Cerf va Bob Kahn phat minh ra mot the thuc, mot loai ngon ngu lap trinh, co the lam cac mang "noi chuyen duoc voi nhau", khien cho mot "goi du lieu" roi khoi mot mang, di chuyen va vao qua cong mot mang khac, ma theo Segaller, duoc gioi thieu hoi nam 1973 la mot thu "mang cua mang", goi tat la Internet"