Apple iPad users, interested in trading in their current tablet for the smaller-screen version CEO Tim Cook is expected to unveil next week, may be able to net enough to cover most of the cost of the new device. According to consumer electronics resale site Glyde.com, not many iPad owners have put up their tablet for sale since Apple sent out an invitation on Tuesday to a special event on Oct. 23 where the long-rumored iPad mini, with a 7.85-inch screen is expected to debut. Read the full story at Forbes.