They invested $150 million in non-voting stock, which wasn't a lot of money for Apple, even in those days. However, Apple agreed to make Internet Explorer the d

They invested $150 million in non-voting stock, which wasn't a lot of money for Apple, even in those days. However, Apple agreed to make Internet Explorer the default browser for Macs in return for Microsoft to continue to developer Office for the Mac. At the end of the 5-year agreement, Apple released Safari and the rest is history, as they say.