1. Microsoft to spend billions on Windows Phone 7: what chance of payback? (The Guardian)
A billion here, a billion there, and pretty soon the costs of relaunching its mobile products will add up for Microsoft. Is it worth it? Then again, what’s the alternative? Charles Arthur reports.

2. From chess champ to BPM evangelist: CBR meets Alan Trefler (CBR Rolling Blog)
CBR editor meets Pegasystems’ founder and CEO to talk about how the firm beat the downturn with record quarter after record quarter…

3. Novell continues to drag out the inevitable (CBR Rolling Blog)
…But at struggling network software and Linux OS supplier Novell it’s a different story, as Gary Flood finds out. The firm reported figures so poor even it says it’s a "disappointing" third quarter.

4. HD voice: Can you hear me now? (BBC dot.Rory)
How much does the audio quality of your mobile phone calls matter to you? Rory Cellan-Jones reports on Orange’s new HD service and gives it a try – are calls as crystal clear as Orange claims?

5. New Digg CEO, take note: How social media companies respond to irate users (LA Times)
Days after launching a major revision to its social-news website, Digg has appointed Matt Williams, a former Amazon.com manager, as its new chief executive. And man, does he have some work ahead of him, says Mark Milian.