For the last few months, there have been whispers that Google Now could be coming to iOS. There have also been reports of the Google Now code being present in beta versions of Chrome, but now the Google System Blog (Not an official Google blog) is reporting that it might be soon coming to the Google Search Homepage and will also land on the iOS and Android search apps. Also Read - Translucent Google Feed page crops up on Pixel launcher, to replace Google Now: Report
According to the report, code related to the Google Now implementation has been found on a page that is being internally tested by Google. Also Read - Google reportedly working on 'transparent' Google Now feed, new tabs for Android phones
A screenshot has also been posted that possibly reveals that a Chrome extension is in the works. Additionally, screenshots also reveal that Google may end up replicated some of the functionality that iGoogle used to provide before the service was shut down by the company.