I was well aware of the fact that once you appeared in Doctor Who as something else, you were ruled out for the part of the Doctor: that was a kind of well known thing in the business.
I think more things are becoming socially acceptable. I think that just by having more media, whether that's TV or Internet, we're able to see more things.
You know, in the old days, you might be able to slowly sort of build an audience for your work by publishing two, three novels before you hit it big. You know, now, there's much more of an emphasis in the publishing houses on making sure that every book makes money.