Do potential clients search by Image Search, especially on Google?

Selected answers from the Dumb SEO Questions Facebook & G+ community.

• 
  Micah Fisher-Kirshner: 1) Yes, you can find this traffic in your analytics as well.
  2) Can you clarify what you mean by `basic`?
  3) Yes, most of the optimization for web photos are fairly similar to textual SEO with some differences (picture size, relevant text near the photo, alt tag for example).
  4) I would say they have, but the value of focusing on it will vary by industry compared against many of the other optimizations you can focus on.
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  Tim Beachum: Micah hit it spot on!!! Your company should optimize images as a standard part of your SEO practices. Not sure if you are a local or national company, that plays a slight difference in your image optimization game plan.
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  Justin Y: I  have stopped optimizing images for image search for my own reasons. Through my own experiences the traffic quality wasn`t there and it mainly seemed like I was only optimizing images for people to steal. When I stopped optimizing my images the visits declined but the quality of visits increased. 
  
  I think it naturally depends on why you want to optimize your images nowadays. Maybe your images are useful or maybe your optimizing for an Infographic. These are things I would think about if I were to optimize any images for today. If it doesn`t make sense, you might not want to bother. These are just my opinions.