Summary: YouTube has a billion monthly uniques, Klout announces Klout For Business, Flattr adds financial incentives to online likes, Facebook's new Timeline changes apps, Amazon adds Send To Kindle button, and more.
Summary: YouTube has a billion monthly uniques, Klout announces Klout For Business, Flattr adds financial incentives to online likes, Facebook's new Timeline changes apps, Amazon adds Send To Kindle button, and more.