Several things can be complements, it just depends on how you perceive them. In Netscape's case, their strategy shifted from selling web browsers to consumers

Several things can be complements, it just depends on how you perceive them. In Netscape's case, their strategy shifted from selling web browsers to consumers in the hope of commoditizing the OS [0] to selling more web servers to businesses, after Microsoft made it impossible for them to compete[1] with IE which was offered for free. [0] https://en.wikipedia.org/wiki/Netscape#History_of_the_Netscape_Communications_Corporation https://en.wikipedia.org/wiki/Netscape#History_of_the_Netsca... [1] https://www.cnet.com/news/netscape-cuts-prices-on-retail-products/ https://www.cnet.com/news/netscape-cuts-prices-on-retail-pro...