Mention Flickr to some professional photographers and you might get a look that most people wear after sniffing sour milk. “It’s for amateurs,” they’ll tell you. Or “It’s all puppies, parties and sunsets,” they’ll say.
And yet it’s still the most important photo-sharing site on the Web, a place that photographers flock to for ideas and photo users surf for images. We’re not saying that Flickr is the only place you should be marketing your images, but here are 36 reasons why you should be using it to show — and sell — your photos.
From Photopreneur - Link