Via Moviepilot.com:

Ok so, when you start delving into Star Wars Lore, you are going to undoubtedly come across the word Canon. So what is Canon? Canon is defined as a list of sacred books or writings, that are accepted as genuine. If it is considered to be Canon, then it is considered to be true. So then what is considered Canon, in relation to Star Wars? Because in the almost 40 years since Star Wars was first released, an absolute boatload of novels, comics, video games, live action television shows and cartoons have been sent out into the public. Some of that was considered to be canon and some wasn’t.

However when Disney purchased the Star Wars Franchise from George Lucas back on October 30th, 2012, they had a dilemma in front of them. They knew that they were going to create more movies going forward. I mean, you don’t buy a franchise like Star Wars, for $4 BILLION dollars and not have plans to make your money back. But they needed to decid what they were going to do with all of this material that had been accumulating over the past 4 decades in the expanded universe.

Ultimately they decided that as rich and diverse as the stories were, they were too limiting. Meaning they couldn’t tell the stories that they wanted to tell without having to go back and make sure it adheres to every single story that had already been written. So they hired a woman by the name of Kathleen Kennedy to be the new CEO of all things Star Wars. One of the first things she decided to do was to set up a small group dedicated people to ensure the continuity and canon moving forward. This group is called the “Lucasfilm Story Group”.

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