Yahoo needs a dramatic organizational shake-up and cuts in its work force of up to 20 percent, according to an internal memo written last month by Senior Vice President Brad Garlinghouse.

Garlinghouse, a second-tier Yahoo executive who has taken increasing powerful roles in the company since joining 3 1/2 years ago, argues that Yahoo suffers from a lack of consistent leadership, business focus and a "single cohesive strategy."

"We lack a focused, cohesive vision for our company," Garlinghouse writes. "We want to do everything and be everything -- to everyone."

The document was published in the Saturday edition of the Wall Street Journal. A Yahoo spokesman confirmed the authenticity of the memo, but declined to comment directly on details contained in the memo or in the newspaper story.

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