"Starting today, even more people will be able to access Google Earth Pro: we're making it available for free. To see what Earth Pro can do for you—or to just have fun flying around the world—grab a free key and download Earth Pro today. If you're an existing user, your key will continue to work with no changes required."
Google Earth is a 3D interactive globe that can be used to aid planning, analysis and decision making. The Pro version offers features previously unavailable to those without a subscription.
Features of Earth Pro:
● View demographic, parcel and traffic data layers
● Use advanced GIS data importing features to your advantage
● Measure area, radius and circumference on the ground
● Print high-resolution screenshots
● Make compelling offline movies to share
More details about the software can be found here or in the chart below.