ffmpeg -i IMG_7511.MOV IMG_7511.mp4; rm IMG_7511.MOV
ffmpeg -i IMG_7518.MOV IMG_7518.mp4; rm IMG_7518.MOV
ffmpeg -i IMG_7530.MOV IMG_7530.mp4; rm IMG_7530.MOV
ffmpeg -i IMG_7536.MOV IMG_7536.mp4; rm IMG_7536.MOV
ffmpeg -i IMG_7537.MOV IMG_7537.mp4; rm IMG_7537.MOV
ffmpeg -i IMG_7540.MOV IMG_7540.mp4; rm IMG_7540.MOV
ffmpeg -i IMG_7541.MOV IMG_7541.mp4; rm IMG_7541.MOV
ffmpeg -i IMG_7543.MOV IMG_7543.mp4; rm IMG_7543.MOV
# 1.2GB 
du -sh ../VIDEOS >> ffmpeg-i-mov-to-mp4.sh.txt
382M	../VIDEOS