The continental US is a special case as it has complete coverage with aerial imagery that is updated over time in large patches that are not concentrated around particular points of interest.
The US government has had various aerial imagery gathering programs in the past whose imagery Google has since acquired and put into Google Earth.
This seems to be a wider issue than I first suspected – Google Earth is not working for Windows 8.1 users across the world, as I’ve seen reports from United States, France, Germany, Russia and many other countries.
Google Earth did have some issues in Windows 8, as well, but it did work for the majority of users.
Mickey has been using Google Earth since it was released in 2005, and has created a variety of geo-related sites including Google Earth Hacks.
We used the Google Earth API to map out imagery of the continental US for the last 20 years.
We must keep in mind that if you are using Google Maps when there is 3D imagery available, that is what is shown, and that is not included in our analysis here, as the dates and extents of 3D imagery is not available via the Google Earth API.
Timothy has been using Google Earth since 2004 when it was still called Keyhole before it was renamed Google Earth in 2005 and has been a huge fan ever since.
He is a programmer working for Red Wing Aerobatx and lives in Cape Town, South Africa.
PLEASE NOTE: Google Earth Blog is no longer writing regular posts.