Looking at a github profile would take about the same amount of time as walking to the conference room to conduct the interview. So I&#x27;m not buying the &quot;you&#x27;re wasting interviewers time with that stuff&quot; line.<p>Can also serve as a good source of questions - can the candidate answer questions about his&#x2F;her own code? 
Much more meaningful then some riddles or BST traversal.