MEDIA QUICK-MIX: Trying to figure out where the Internet fits into your media budget? For one example, see the cover story in this month's Business Marketing
. It puts just about all its relatively small ad budget into Web advertising, which is not all that surprising given that the company is the leading maker of Web browser software. But the company is in a fierce battle with Microsoft, a major advertiser in all media, and that begs the question: Can Netscape's Web marketing alone beat Microsoft?