Frustrating

Last night I learned one reasons why I don't like technology. I worked for about 4 continuous hours on my Online Professional Portfolio. I was working on a new program so I didn't want to publish anything until I was done and I didn't know how to save. I was finished everything and was going to hit publish when it happened.......Firefox crashed. I lost everything!!!! Luckily all of my documents were still uploaded, but the formatting anf typing were gone. It was very frustrating because 4 hours of work is lost. I did learn how to save on this program and hopefully everything will work out fine!