Google Inc
                                                
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                                                    Yahoo! Inc. is an American multinational Internet corporation headquartered in Sunnyvale, California. It is globally known for its Web portal, search engine Yahoo Search, and related services.
                                                
                                             
                                            
                                                
                                                
                                                    Google is a United States-headquartered, multinational corporation specializing in Internet-related services and products. These include online advertising technologies, search, cloud computing, and software.
                                                
                                             
                                            
                                                
                                                
                                                    Nokia is a Finnish multinational communications and information technology company. Nokia employed 90,000 people across 120 countries, conducts sales in more than 150 countries and reported annual revenues of around €12.7 billion.
                                                
                                             
                                            
                                                
                                                
                                                    HTC Corporation is a Taiwanese manufacturer of smartphones and tablets. Founded in 1997, HTC began designing and manufacturing devices such as mobile phones, touchscreen phones, and PDAs based on Windows Mobile OS.