Books I have co-authored

Amazing ways to interface with your computer

Eventually the mouse and keyboard will be replaced as our primary way of interfacing with the digital world by something else. Voice input, and pen/finger based touch screens are the most well-known candidates but there are several other more advanced technologies being developed.

One example is I-Tech’s Virtual Keyboard (introduced in 2005) with a red laser [...]

Flawed design in Sony Ericsson’s Satio camera phone

Satio smartphone with camera

All mobile phone vendors hope to repeat the success of Apple with a new Jesus phone. Sony Ericsson’s candidate is Satio (previous working name Idou) and they are positioning the integrated 12 megapixel camera as the “killer app” that will lift Satio above the other smartphone competitors when it hits the shelves [...]

The telcos’ dilemma: LTE or HSPA+ (deja vu 2002)

Will financially burdened telco operators postpone investments in the 4G technology LTE? This has been an ongoing topic within the industry for over a year. LTE provides the operators with higher capacity, spectral efficiency, and data rates but requires heavy investments in new infrastructure. The alternative is to settle for the 3G upgrade HSPA or [...]

Why did the vision for public W-Lan networks fail?

Today it is obvious that business models that are based on public Wlan networks will never live up to the hype from 2002-2004. The dramatic price pressure for mobile data via 3G/HSPA undermined the market for Wlan operators. The choice is easy between spotty Wlan coverage and comprehensive geographical service with a 3G dongle.

Other players [...]