Here the good news for all Chrome users, Google Now may arrive soon to Chrome desktop version. Means in future Non-android users also will use Google Now. Google developer team added "Skeleton for Google Now for Chrome" to Chrome browser recently through Chromium project. Google Now cards will be shown through Chrome notification.
Google Now is a popular feature available in Android Jelly Bean devices, that tells users to know more than 25 cards like weather, traffic, hotels, flights etc. After Google Now arrives to Chrome, that allows to users who are not using Android Jelly bean are also can find these cards from their browser.