I don't have an iPad, so I can't check how photos look on one when viewed in the new 500px iPad app. It was recently reported that 50% of all traffic to the 500px site is now coming via the iPad app, so I'm wondering if it might be best to upload at the native resolution of the iPad. I read somewhere on the 500px site that they recommend uploading at 900 pixels wide, but they scale up the photos from there for the iPad app. How does that look? Has anyone noticed if images uploaded at 1024 pixels look any sharper?