To access the Easter egg, click the "Making of the Filming of". Fast forward to the end. Look for the Dreamchaser logo in the credits. At the top of the logo, you will see a little Bono head. Click on him as quickly as possible. Next, you will see a screen with flashing cubes. your Enter button the following: 1 enter, 9 enter, 7 enter, 6 enter while the cubes are flashing to access the special BonoCam feature for the first 4 minutes of "Elevation". Also the audio during this is straight from Bono's ear monitor.
On the disc 2 menu you go to the help menu (the question mark in the bottom left). When in the help menu you enter "1 enter 9 enter 9 enter 1 enter" and you get until the end of the world complete from the bonocam.
All easter eggs were generously submitted by SirDonk