Réponse:
the answer is:
No because you can't find all the information you need on social networks and especially if you need the real information of a candidate, because people put anything on social networks and even falsehoods. In my opinion the only way to have exact information is to ask the Candidate and to consider his CV
Explications:
c'est un peu ça mon point de vue. d'autres peuvent toujours y commenter merci