We’ve seen plenty of Google Maps mashups over the past few years, but this has to be one of the best.What Was Thereis designed as a “Virtual time machine” that lets you explore the world as it used to look via maps of familiar places and geotagged, historical photographs.

From theExplore Photospage you can move around the world to find places you’re interested in and then view photographs of what they looked like many decades ago. You can even overlay the old photograph onto Street View to compare today’s scene with the past.

If you have any interest in history at all, it’s fascinating to explore. Major US cities currently have the best coverage – particularly San Francisco, Chicago and New York – although Europe is pretty well represented too. The good news is that anyone can upload images to the site, so if you’re sitting on some old photos of your home town that you inherited from a relative, why not upload them to help make the site even better?

The logical next step for a site like this is to somehow map the historical photos onto the fully interactive version of Street View. At present the Street View overlay here is purely static. Perhaps Google could develop such a project. “Google History View” – now thatwouldbe fascinating.

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Story byMartin SFP Bryant

Martin SFP Bryant is the founder of UK startup newsletter PreSeed Now and technology and media consultancy Big Revolution. He was previously(show all)Martin SFP Bryant is the founder of UK startup newsletterPreSeed Nowand technology and media consultancyBig Revolution. He was previously Editor-in-Chief at TNW.

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