This 0, 4 mm Blue felt-tipped pen Faber Castell Pen Fine It was acquired in a Kalunga store in a Shopping Center. Cost R$ 5,40.
Even though automatic backups in External HD and NAS, I still like to do a backup on optical media of my photos and videos. Every time with at least 20 GB of new photos or new videos I record a media. And write in the media as much information as possible about the photos and videos that are there for you if you need to look in the future.
Why write optical? It's not just for the case of a magnetic storm to end all HDs in the world, but also because I could corrupt or delete a file accidentally and not realize. This error would propagate to the backups. Although do versioning and keep deleted files in my backups, possibly older versions and deleted articles for a long time end up being deleted for the sake of space. Opticals files are kept indefinitely (While they last).
Check out the photos of 0, 4 mm Blue felt-tipped pen Faber Castell Pen Fine and its packaging: