I really liked the old Presto-based Opera. How useful do you think running an 8 year old browser will be today, emulation or not? ;-) And the emulation argumen

I really liked the old Presto-based Opera. How useful do you think running an 8 year old browser will be today, emulation or not? ;-) And the emulation argument can also be made for old open source software, so I don't see how that supports the argument for closed source. Maybe I just got lucky, but so far I've only ever "lost" CS software, example see above, but never OSS.