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- Laser based displays - MEMS (microelectromechanical systems)-based laser projectors can display images directly on our retinas while not blocking our sight, enabling mixed reality vision. The beauty is that it is so small that it can already be integrated into eyeglasses.
- Brain waves sensing - We need to control the functions by the mind to become really hands free. Aided by eye tracking, direct brain links will provide touchless input. Sound far fetched? It’s not. Major universities continually report progress with brain implants used in lab rats and humans, while commercial applications for noninvasive coupling with human brain signals are also emerging. A Japanese company recently announced cat ears that can be worn on the human head and manipulated with nothing but the mind.
An ethical hacker demonstrated exactly what you can make with $1500 worth of equipment: a cell phone call interceptor. Using not much more than a laptop and two RF antennas, Chris Paget showed off his interception technology at DefCon 2010, convincingly proving just how unsecure2G GSM networks are.

His equipment managed to fool cell phones in the audience that the setup was a real cell phone base station, and when they automatically routed their calls through it, he was able to intercept and record the conversations, which included encrypted calls. While this technology only works on outgoing calls at present, Chris Paget’s equipment can easily be duplicated, a worrying fact by itself, apart from the flaw in 2G GSM network acquisition protocols, which automatically redirect phones to connect to the base station with the strongest signal, regardless of its origin. In this manner, encrypted calls are not free from interception, because the base station can simply deactivate it once it acquires the signal. Though GSM specs insist that a cell phone should display a warning if it is forced to connect to a station that doesn’t have encryption, most SIM cards disable this feature to avoid innumerable alerts during operation. In essence, your call could be intercepted and recorded without your slightest knowledge.
This technology is nothing new in theory, and governments already use what are called IMSI catchers to pull off a similar feat, which can even capture data transfers. However, what is revolutionary is the low-cost and ease with which the setup can be made and procured, by anyone from the common man to the underfunded terrorist.
As you can imagine, the demonstration has already created a furore in the industry, with security experts as well as carriers suddenly worried about how to make 2G GSM networks safer. On the flip-side, maybe a version of this technology could be used by governments to monitor calls that they were previously unable to decrypt, specifically, the Indian government’s current need to decode BlackBerry calls

