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Try not to change your profile picture if you already have a good one.
Many people, in this noisy place, do not know your name or can not memorize that, but they remember and recognize your profile picture fast and easily since they have been used to that during the time.
You are not a producing machine!
You are an artist. Take your time on your artwork and give it a unique story to tell. Your artwork should make those online passersby in a hurry stop for awhile and give them a chance to think outside the box or feel something different.