There are two ways of answering that question:
- For a beginner, I would state my main X account;
- For an advanced person, I’d mention all of my accounts, perhaps specifying some details on the most important ones.
Of course, I could also ask for additional details, but generally, I prefer not to.
Most people would prefer the first option for answering the question. I prefer the latter one.
I prefer to speak to advanced users, not beginners.
