It simply can't get easier than this! Have you ever wanted to share a logo, an illustration or a web design and solicit simple comments from your client or internal team? Feedbag.io is the perfect little (free) web application to do just that. Upload your image or images and you can have conversations about them simply by pointing and clicking.
Here's a screenshot of an uploaded infographic (the zoom is on the right bottom of the Feedbag.io screen) with a comment box on it:
Feedbag.io keeps the image up for 28 days, giving you an email warning on day 21. If you don't respond… poof.