Energy innovation is focus of Gates-led $1 billion fund

Bill Gates is leading a coalition of powerful investors committing more than one billion dollars to clean energy innovations in the fight against climate change, his foundation announced Monday.

Facebook-owned WhatsApp boasts a billion users

Facebook-owned smartphone messaging service WhatsApp has hit the billion-user mark, according to the leading social network's chief and co-founder Mark Zuckerberg.

Zuckerberg philanthropy effort tests uncharted waters

Following the stunning news of their $45 billion philanthropy initiative, Facebook founder Mark Zuckerberg and his wife face the challenging task of ensuring the staggering sum is put to good use.

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