I know there was some demand for this feature. Too bad there are strings attached, but at least this is better than nothing.
Second, later this year, we will be introducing lending for Kindle, a new feature that lets you loan your Kindle books to other Kindle device or Kindle app users. Each book can be lent once for a loan period of 14-days and the lender cannot read the book during the loan period. Additionally, not all e-books will be lendable – this is solely up to the publisher or rights holder, who determines which titles are enabled for lending.
[Amazon via Gizmodo]