I just happen to stumble on this by accident. It turns out that the camera on the iPhone although only 2 megapixels is really a nice camera. So I decided to do a little mobile photo blog at http://jason1.mopho-blog.com. I am using wordpress for the blogging software and found a mo-blog plug-in called Yet another Photo Blog. Once I set this software up I had a few photos that I had taken with my digital camera that I tested with. It worked well and I noticed that the posts were dated based on when I actually took the photos. Thats because the plug-in supports use of Exif data.
Almost all digital cameras store extra information, called metadata, with your pictures. The extra information captured by your camera is called EXIF data, which stands for Exchangeable Image File Format. While most current photo manipulation software supports the reading of this information, there are many specialized tools for reading, editing, extracting and converting EXIF information.
Everything was good to go so I started taking a picture or so a day with my iPhone and emailing them to my gmail account and then would upload them (not true mo-blogging I know). What I realized though was that the posts would be timestamped when I created the post rather than when I took that photo. So I suspected that there was now Exif data in my pictures.
I then downloaded a Exif extractor and sure enough no data. So it is confirmed that the iPhone does not record any EXIF data in the photos taken.
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