He means usng the touchscreen to dial the numbers. Later end up having to carry cloth to wipe all the skin oil on the screen.

Skin oil is preset at all time on your fingertips, these are the basis of lifting fingerprints used by crime scene investigators. With the touchscreen exposed to to the not-so-clean air around us, dust and other airborne particles will cling and stick to the oils present on fingertips during pressing on the screen.

Which is more convinient, pressing an ACTUAL button on an ACTUAL keypad, than having to fish around for stylus, or priming your fingers with fingernails ready to poke at touchscreens? Which is why i dont really prefer PDA phones. Other options would voice dial but that is a hit-or-miss affair sometimes.

We're going OT with this, the reason why phone manufacturers stick with keypads is for the obvious reason: it is a phone, not a PDA.We dial numbers with keypads not virtual keys on touchscreens.