ANN ARBOR, MI: Borders is using Twitter to build buzz around the much-anticipated new book from Dan Brown, The Lost Symbol. A Twitter Treasure Hunt, which takes place from September 15 to 24, allows customers to get online clues and search for "The Lost Symbol Golden Tickets" in Borders and Waldenbooks stores nationwide, which customers can turn in for signed copies of the book.

"More and more we're getting involved in doing these giveaways on Twitter," said Mary ...