ColorBox lightbox image overlay for WordPRess.
http://wordpress.org/plugins/lightbox-plus
Widgets · WordPress Plugins
Get access to data on 321,584 websites that are Lightbox Plus Customers. We know of 69,668 live websites using Lightbox Plus and an additional 251,916 sites that used Lightbox Plus historically and 31,933 websites in the United States.
Get a list of 321,584 websites using Lightbox Plus which includes location information, hosting data, contact details, 69,668 currently live websites and an additional 28,832 domains that redirect to sites in this list. 251,916 sites that used this technology previously and 31,933 websites in the United States currently using Lightbox Plus.