 
 <prompt> Wetin cause make Mozilla browser dey free? Based on di question wey dey above, write one context wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: "Today, most commercial web browsers dey collect money from search engine companies to make their engine default, or to include dem as another option. For example, Google dey pay Mozilla, the maker of Firefox, to make Google Search the default search engine for Firefox. Mozilla dey make enough money from this deal wey dem no need to charge users for Firefox. In addition, Google Search na (as one go expect) the default search engine for Google Chrome. Users wey dey search for websites or items for Internet go dey directed to Google's search results page, wey go increase ad revenue and wey dey fund development for Google and Google Chrome." 