What's the deal with the Da Vinci Code?

Okay, I heard something about a "fact page" that says all such and such material is "accurate." What does that mean? That the movie/book are based on historical facts?

What's the deal? Is the movie presenting any information as fact if it can't be backed up? Why is it causing such a buzz? The reports I read on it just confuse me I guess because I haven't read the book.

IT'S COPIED FROM A BOOK THAT MAKES THE SAME CLAIMS AND THE GUY IS SUING BECAUSE THEY WERE HIS IDEAS NOT FACTS READ FROM HELL IT'S THE SAME THING THE AUTHOR JUST USED POPULAR REFERENCES TO MAKE A STORY NOT A THOROUGHLY RESEARCHED SCHOLARLY REFERENCE FOR A REAL ACCOUNT OF JESUS HISTORICITY CHECK OUT

http://www.amazon.com/gp/product/0743287231/sr=8-1/qid=1148000181/

OH WAIT YOU DON'T LIKE TO READ FORGET EVERYTHING OK?