If you want to use log in with Facebook then Facebook will then be able to track your activity on this site. This can help them build a fuller picture of your online life.
Ma tha thu airson clàradh a-steach le Facebook, bidh comas aig Facebook do ghnìomhachd air an làrach seo a thracadh. Bheir sin comas dhaibh dealbh nas iomlaine fhaighinn dhe na nì thu air loidhne.