I had a bunch of .mp4 and .3gpp video files whose file "create" and "last modified" dates did not match the meta data inside of the file. I found ExifTool could fix this. ExifTool is a cmd-line tool, so you need to be comfortable with the cmd-line. The biggest challenge was that most of the documentation was on how to modify the internal meta data, but I wanted to "copy" from the meta data to the filesystem timestamps.
The first trick is to figure out what the "tags" are for the internal metadata and the file system. I found the ExifTool FAQ #24 which shows how to query for the times:
It's time for national elections in the US, and many citizens feel like they can't get good representation, no matter how they vote. Much of the problem is our "Winner Take All" system of voting — it's easy to explain but has *huge* flaws. Here is a series of 5 videos (total 28 minutes) that talks about the problems, and some much better (but slightly more complicated) alternatives.
In the video below, a team built two computers out of dominoes. The first was capable of adding any two numbers between 0 (zero) and 7 (seven). The second computer they built was capable of adding any two numbers between 0 (zero) and 15 (fifteen).
A 180° panorama looking south from the Grand View Point Overlookinside Canyonlands National Park in Utah. This is from our 2007 trip to nearby Moab. To give a sense of scale, there is a single-lane dirt road that runs across the foreground, then curves up to the right.
Be sure to zoom in to see all the details (scroll wheel or buttons). Click-n-drag or use keyboard arrows to pan. Use button for full screen (center bottom).