Gaydar

A study, I think it was by Jonathan Elford's team at City University, has noted that around 50% of gay men on the London scene who have completed a survey are also on the internet.

Probably chiefly on gaydar I should think - (that 50% includes me, chiefly to keep up with mates these days).

Gay men still tend to meet their partners in 'traditional' settings. As Elford and his team state:

" This puts the Internet in context. It's an extra place that gay men use to meet casual partners, but it is not the only place. Nor is it the most popular place. Most London gay men still prefer to meet men for casual sex in bars and clubs.
" The key implication of our research is that Internet-based sexual health interventions should take into account the fact that most gay men meet their casual partners offline rather than online. While we welcome Internet based initiatives promoting safe sex, such health campaigns must target men also using the traditional 'gay scene', that is bars, clubs, and saunas." (ref)