The Microsoft ebook store is closing, and the DRM-protected books will stop working, prompting concerns about the ownership and preservation of digital content. The store's closure will result in refunds for customers, but the loss of access to purchased books has sparked debate. The issue highlights the limitations of digital rights management and the importance of considering the long-term availability of digital content. The closure of the store has also raised questions about the role of consumer protection laws in regulating digital goods.