ColorBox lightbox image overlay for WordPRess.
http://wordpress.org/plugins/lightbox-plus
Widgets · WordPress Plugins
Get access to data on 327,882 websites that are Lightbox Plus Customers. We know of 103,084 live websites using Lightbox Plus and an additional 224,798 sites that used Lightbox Plus historically and 47,261 websites in the United States.
Get a list of 327,882 websites using Lightbox Plus which includes location information, hosting data, contact details, 103,084 currently live websites and an additional 38,696 domains that redirect to sites in this list. 224,798 sites that used this technology previously and 47,261 websites in the United States currently using Lightbox Plus.