A good question, totally legit. Why can't we just get a photo taken on a smart phone? After all, latest smart phones have high resolution cameras (often higher than professional cameras), right? Those photos cost nothing, on the other hand we have to pay a professional for photos, right? We can, but that's the wrong question to ask. The question we need to ask is this: "Can I confidently make these photos LinkedIn profile pictures? " "Am I comfortable or even proud to share