Amazon’s first quarter 2011 profits decreased 33 percent to $201 million as the company has hired 45 percent more employees over the last 12 monts-to 37,900 employees presently. And Amazon is building nine new distribution centers, called fulfillment centers, in 2011. Revenue for the first quarter of 2011 rose 38 percent to$9.86 billion. Amazon spent $855 million on fulfillment in the first quarter, up from $546 million the prior year. Amazon’s spending that first quarter on technology and content rose to $579 million from $366 million the prior year .Amazon’ s revenue increases still are mainly driven by strong sales of electronics and general merchandise, with sales in North America rising faster than international sales. Amazon is aggressively expand-ing its cloud computing business.