Google Maps knows where you are working, living and how's the traffic around you. But after the latest beta update, it will also know what's the parking availability around you. If you set up your route from Point A to Point B, a small blue icon with the letter P appears next to the estimated time of arrival stating that the situation is either Easy or Medium. If the parking options are Limited the icon turns red. Once you start navigating and the directions expand, you receive further details along with the current availability. The navigation service Waze (owned by...
Source: http://www.gsmarena.com/google_maps_to_introduce_parking_availability-news-22818.php