If you have previously recommended this thread, you should see a tick / check mark on the recommend button. Click the tick to undo the recommendation (the tick may appear to change to a cross as you do this.) If you added a comment with your recommendation, you will need to delete that from your facebook wall separately.
but the whole website is great I think. I know I am biased but they are covering such varied topics and a lot of the writing is of quite a high standard. I was never this articulate when I was her age. This is a little bit cheeky, but if any of you would like to indulge her efforts by 'liking' their facebook page, it would be really appreciated.