These sites need to access to your Facebook identity (or know who you are) in order to work. This also means that Facebook can track everything you do on these sites.
Ismal-a ḥwaǧen ad kecmen ɣer tmagit-ik Facebook (neɣ akken ad ẓren anwa-k) akken ad lḥun. Ayagi yemmal-d dakken daɣen ula d Facebook yezmer ad yeḍfeṛ meṛṛa ayen i txeddmeḍ deg yismal-a.