Microsoft, Apple, and Google: How three tech giants have evolved in the 21st Century

Microsoft, Apple, and Google: How three tech giants have evolved in the 21st Century

Apple's a hardware company, Microsoft's a software company, and Google makes almost all of its income from advertising. All three companies have been trying for years to diversify their revenue streams. How's that working out? http://www.zdnet.com/microsoft-apple-and-google-how-three-tech-giants-have-evolved-in-the-21st-century-7000032953/?s_cid=e539&ttag=e539&ftag=TRE17cfd61