Netscape still ruled the browser market, but Microsoft had Windows 95, WorldNet, and a very valuable foothold It is 30 years since AT&T handed Microsoft a valuable foothold in the browser wars by making Internet Explorer 3 the default for its WorldNet service. Windows 95 was barely a year old when AT&T set out to challenge CompuServe and America Online with its WorldNet service in 1996. The telecommunications giant needed a browser. Netscape Navigator dominated the market, but...