*GeoTag : Geo tagging tool using iPhone's backup data. *Prerequisites: - For MAC OS X install ExifTool-8.56 from http://www.sno.phy.queensu.ca/~phil/exiftool/ - For Ubuntu sudo apt-get install libimage-exiftool-perl *Usage: geotag [iphone backup data path] [imgs path] eg) ./geotag /User/yeongmin/Library/Application Support/MobileSync/Backup/21e23s31... /User/yeongmin/myphotos - default location of iphone backup data is /User/<user name>/Library/Application Support/MobileSync/Backup/<random string>/ - devices can be distinguished by investigating info.plist under <random string> directory. - imgs path can be an img file itself or directory of imgs. *Note: - geotag backs up original images with 'original' postfix in the same location. - default adaptable time difference between gps information and photos is half an hour. - be aware of inaccurate location information of iPhone's backup data.