Phil Muncaster takes a look at the top stories of the week, including Software AG's purchase of IDS Sheer, 1.5 billion downloads for the App Store, more Microsoft Office 2010 and Azure details released, and controversial mobile directory site 118800 crashes.
Double legal trouble for Musk as he also faces civil lawsuit over renewed British pot-holer 'paedo' claims
Battery development could help boost performance of smartphones
Topological photonic chips promise a more robust option for scalable quantum computers
In quantum physics both the chicken and the egg can come first, claim University of Queensland researchers
Cause-and-effect is not always straightforward in quantum physics