Just a quickie. I’m genuinely confused but I suspect the answer to this will, as usual, be blindingly obvious.

I’ve been reading this article from the Guardian about the anti-competitiveness of Microsoft in the browser market.

Now, I can sort of understand that Google and MS want us to use their browsers as they are set up to point us towards other services that are charged for or include advertising.

But what about Firefox or Opera? Do they get a cut of advertising revenue or something?

How do any of these organisations justify the spend they put into developing their broswers?

Please help me…