It's key points are:
Checking dishonest work ethics: Among the social networks, LinkedIn is where companies go to find specific professional details of potential candidates. ProProfs CEO Sameer Bhatia mentions that they did not recruit a potential freelance writer when they found out through his LinkedIn profile that he was already freelancing for another company. "We saw this as a sign of dishonesty and lack of loyalty," he says.
Additional Tips & Tools From ProProfs:
Conduct an online interview
Create a skill assessment test
Create personality tests
Add interactive polls or surveys