Beatles star delivers a message about helping children learn.

Deceased Beatle John Lennon is set to feature in a TV advertisement nearly 30 years after his death.
The singer's voice and image will be used in a new promotional campaign for the One Laptop Per Child Foundation, after the star's widow, Yoko Ono, gave permission for them to be used.
In the advertisement, Lennon says how having a computer could benefit millions of youths across the world.
"They would have the chance to learn, to dream, to achieve anything they want. I tried to do it through my music, but now you can do it in a very different way," he states.
Airtime for the commercial will be donated by broadcasters throughout the US.
In other news, a six-minute recording made by John Lennon in 1973 recently sold at auction for $36,000 (£24,000).
On the cassette, the former Beatle sings a cover version of Lloyd Price's Just Because and substitutes the original lyrics for some of his own.
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