Amazon’s launch of a textbook rental service on Tuesday reads as major competition for the likes of Chegg and Kno, both known for their pure-play focus on providing digital and, in Chegg’s case, physical textbooks for college students, writes Constance Nuttall.

But the two are expanding their playbooks to deal with increased competition – Kno announced a pre-college service on Tuesday, while Dan Rosensweig,  Chegg chief executive, spoke to us about its service becoming much more than renting textbooks. Read more

Kno, which had ambitious plans to launch a dual-screen textbook tablet and a large-format single-screen one for students, is getting out of the hardware business and focusing just on education software. The Silicon Valley start-up announced its decision on Friday along with news of a $30m Series C funding round led by Intel Capital, which contributed $20m. Intel will work with Kno on adapting its software for its own reference designs and Intel Learning platforms, which include the Classmate PC. Read more

Jawbone has joined an elite group of companies – Facebook, Groupon, Skype, Twitter and Zynga – in receiving late-stage funding from Silicon Valley VC firm Andreessen Horowitz. The stylish Bluetooth headset maker announced a $49m investment, bringing total funding to date close to $100m. No other VC firm took part in the round and Ben Horowitz, Andreessen Horowitz co-founder, will join Jawbone’s board. Read more