• Amazon introduced a new version of its Kindle e-reader, which has been a breakout hit for the company. The Kindle 2 is slimmer and more powerful, but still comes with the same $359 price tag. At a glance, our critic was sufficiently impressed.

• The merely implied is now official. After resigning from all the boards she served on last month, former Ebay chief executive Meg Whitman has formed an exploratory committee to plot a run for California’s governorship in 2010. Ms Whitman faces a crowded field, and will have to convince voters that her business acumen will translate into political savvy.

 Read more