[The look Sherlock shoots John is one of those rare "you've somehow surprised me" ones. Given John's history from what he observed, he thought it perfectly logical to assume that John had more experience with dating sites than most. Certainly more than him.

Like he told John: it's always something he's off on, just a bit]

Non-Vulcans. [Repeats after John with a puzzled frown. Slightly blank look he gives him - clearly he hasn't seen any Star Trek, hardly a shocking, world-shaking surprise there. Sherlock gives a slight shake of his head] We'll need access to their computers.