After US District Judge Amit Mehta ruled that Google has a monopoly in two markets—general search services and general text advertising—everybody is wondering how Google might be forced to change its search business.

Specifically, the judge ruled that Google's exclusive deals with browser and device developers secured Google's monopoly. These so-called default agreements funneled the majority of online searches to Google search engine result pages (SERPs), where results could be found among text ads that have long generated the bulk of Google's revenue.

At trial, Mehta's ruling noted, it was estimated that if Google lost its most important default deal with Apple, Google "would lose around 65 percent of its revenue, even assuming that it could retain some users without the Safari default." //

But the remedies phase of litigation may have to wait until after Google's appeal, which experts said could take years to litigate before any remedies are ever proposed in court. Whether Google could be successful in appealing the ruling is currently being debated, with anti-monopoly advocates backing Mehta's ruling as "rock solid" and critics suggesting that the ruling's fresh takes on antitrust law are open to attack.