You can look up at the videos comparing Nokia Lumia 820 and 920 to the iPhone 5, Xperia Arc S and Samsung Galaxy S3. Well, you can just watch the video and you can surely see that Nokia Lumia has a very sensitive touch, which has then being tested with the cloth and key on either way. Any tool would actually work and it is merely not like when the capacitive works by an accident when making use of latex gloves or thin cloth.
The screen would actually seem like bright and the camera may not really handle the brightness alone. There is even a same demo with the remote control car, which is being seen again as the low light test. Lastly, you could see its wireless charging in action. You could definitely see that physical connection is not anymore needed with this phone. If you could even levitate the Nokia Lumia 920, it would still charge. Nokia Lumia is just something in which you could never ask for much, as it just gives too much of your expectation.