[mrkwse]

Did that person have any sort of avatar (cartoon etc.)? I've known a couple of people who have been reluctant to use photographs of themselves as avatars and I've later on found out that they've come out as trans. For those who are closeted (or perhaps haven't processed their dysphoria) it can be problematic (and I realise that in physical offices nobody can avoid being seen, but save the bathroom or perhaps lifts, one isn't usually confronted with the sight of oneself (and online profiles tend to be visible for the user))