The document is a slidecast presentation about the Sony Ericsson company. It analyzes the company's financial performance over quarters in 2010 and 2011 by comparing key metrics like number of units shipped, sales, operating income, income before taxes, and net income. It shows Sony Ericsson's operating income dropped significantly in the first quarter of 2011 compared to the last quarter of 2010. Charts also show the company's operating income fluctuated across quarters in 2010 and 2011, with losses in some periods. The conclusion suggests the company is sensitive to external factors like natural disasters and economic crises.