Have you ever needed to extract a ".rar" file on a MacBook? I have to confess that I was extremely stressed when a friend sent me some compressed files one day and I couldn't find a simple way to open them. I researched several lengthy tutorials and finally ended up sending the file to a Windows virtual machine where I quickly solved the issue. But what if I had needed to open them on my MacBook?

Big data promises a huge revolution in the way we do business, but let's be honest: how much real value do our data strategies usually deliver?