Google Purchases YouTube for $1.65Billion in stock

Google's stock rose about $10 per share after the purchase. On the other hand, YouTube increases Google's risk of copyright infringement, opening the door for significant liability...if Google cannot solve this issue

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Also read this from another article on same topic:

"YouTube's policy is to remove copyrighted clips once alerted to their existence. Content providers say the company needs to be even more proactive ... Todd Dagres, general partner at Boston's Spark Capital, says that Google's large market cap of $130 billion makes it much more vulnerable to lawsuits than a private company such as YouTube. 'Once Google starts to apply its monetization machine, there is going to be more money at stake and people are going to go after it,.You cannot monetize other people's content without their approval.'"