The name is 500px.com, but what is the image resolution for which to optimize before uploading your photos there?
Is it possible to add visible/invisible watermark to photos already uploaded to Picasa Web/500px/Flickr? Do they preserve EXIF(metadata) of the image? I am looking for free tools/services. If ...
I was reading comments on my photos posted at 500px.com (for example, at http://500px.com/photo/21988337 and http://500px.com/photo/21997241). Read a few comments that say V+F or V&F, what are ...
I am sure this is simple and I am just missing something; How can I post a link to a specific 500px portfolio of mine so that the link others see displays the thumbnail images in the correct order or ...