I'm doing it, though mostly on FB as I find I use my iPhone to take and upload pics. I couldn't work out how to upload pics to the Project 365 on my phone.

As for editing, I do most of mine on my phone using PS Express (photoshop).

Okay, I just searched for iPhone Apps for Project 365 and there is an app

My theme, is based on my daily activity for the day - avoiding the mundane usual things.
Awesome... would love a look... so many people and i'm sure some amazing pics out there