I'm mostly a programmer. I used to do a similar thing on Basecamp. Annotate the picture with OS X's Preview.app and then drag and drop to upload it. Collect t

I'm mostly a programmer. I used to do a similar thing on Basecamp. Annotate the picture with OS X's Preview.app and then drag and drop to upload it. Collect the textual feedback and then upload a new work again. Repeat that for like 10 iterations. Also, I upload the works for remote peer reviews. Not real-time client reviews. In those cases, there isn't a strong advantage in using Red Pen. Just share my thoughts.