Well, it's a tap and hold, as opposed to just a tap, so there's that. If the user simply quickly taps, it's obvious it's not the tap-hold-slide zoom. On the ot

Well, it's a tap and hold, as opposed to just a tap, so there's that. If the user simply quickly taps, it's obvious it's not the tap-hold-slide zoom. On the other hand, it's not obvious it's not the double tap zoom, so there's a delay for that anyways.