It's just a simple jQuery plug-in called Twenty Twenty that I found when I had the idea to take the same picture at different times and compare the result. Drag

It's just a simple jQuery plug-in called Twenty Twenty that I found when I had the idea to take the same picture at different times and compare the result. Drag/swipe across ended up working better as an effect than my original fade-in idea. You can view source to see how it works, it's really simple. http://zurb.com/playground/twentytwenty http://zurb.com/playground/twentytwenty Here is the photo that kicked off my idea: http://www.jongales.com/rainier/timeshift/ http://www.jongales.com/rainier/timeshift/ I also did another in the Spring that turned out nice: http://www.jongales.com/timeshift/columbia-river-gorge/ http://www.jongales.com/timeshift/columbia-river-gorge/