In the summer of 2007 my computer crashed and I lost 7,000 songs and several important pieces of university coursework. It was a very dark time for me. Today is World Backup Day, and – because I never want anyone to go through what I went through after the Great Crash of 2007 – I’m telling you now to backup your data. Go, do it now. Both professionally and personally, data is important. It may feel like it’ll always be there, slowing down our laptops and using up storage space on the office network, but the harsh truth is that…