Alexa data would suggest that their popularity is increasing: http://www.alexa.com/siteinfo/blekko.com# http://www.alexa.com/siteinfo/blekko.com# I really like

Alexa data would suggest that their popularity is increasing: http://www.alexa.com/siteinfo/blekko.com# http://www.alexa.com/siteinfo/blekko.com# I really like some of their services like "Grep the Web" however I'm too used to Google to change (plus I don't see any other search engine drive anywhere near the volume they do).