Originally Posted by
lhrsfo
This is the slight problem with the extra seat route - it will inevitably be shared with another person, even if you have bought it. You then have a choice whether to get irritated by this, or just accept it and enjoy the karma.
I think in certain scenarios it'll work out better than others. As an example, traveling alone in a 2-seat configuration (A330/A340) would be great or in a 3-seat configuration when traveling as a pair. Isn't the latter sort of like the premise of Air New Zealand's "couch" thing?