The other is your hand would occlude what you wanted to see, and the third, which was the winner, was that your fingers would get the screen dirty, and hence, fingers would never be a device that you'd use.
Altul era că mâna ar acoperi ce vrei să vezi. Iar al treilea, cel mai tare, era că degetele ar murdări ecranul. Și astfel degetele nu vor fi niciodată un instrument folositor.