When you are looking to purchase a DVD, you will likely come across two different types: DVD-R and DVD+R. So, which one should you choose?

The DVD-R format was the first type of DVD to be created. It is a write-once format, which means that you can only write data to the disc once. If you want to add something to the disc later, you will need to erase the entire contents and start over. This format is not as popular as it once was, but it is still the most common type of DVD.

The DVD+R format was created …