The singer also reveals to Rolling Stone that he once told Steve Jobs to 'go fuck yourself'
Band performed 'Volcano' and 'Every Breaking Wave' live on BBC 2 last night
'Songs Of Innocence' was released physically on October 13
The U2 frontman says he's suffered from the eye condition for 20 years
The band think giving away the album for free "was a great thing to do"
Group also release video for 'The Miracle (Of Joey Ramone)'
Band have previously been accused of tax evasion
Album is downloaded 26 million times as band talk-up 'Songs Of Experience' follow-up
The Irish band will be joined by Interpol, Zola Jesus and Sam Smith on the BBC Two programme
The OneRepublic man assisted with 'Songs Of Innocence'
'Songs Of Experience' will follow the recently released 'Songs of Innocence'
The band's last major tour was the ambitious U2 360° Tour of 2009 to 2011
Drummer Larry Mullen Jr. embraces his son in black and white shot
The U2 frontman has responded to 'Songs Of Innocence' criticism saying it's his band's job to 'stir things up a little bit'
Frontman says new development with Apple is 18 months from existence
Manager and TV personality also brands U2 'middle-aged political groupies'
The trade organisation have called the giveaway 'a dismal failure'
The LP was given away for free and automatically downloaded onto users' devices
Some 24 of the band's titles have reached the top 200 of the iTunes chart globally
Odd Future rapper asks "You couldn't come up with an actual marketing idea?"