Nina Hale Search Engine Marketing » Twitter http://www.ninahale.com Drive Revenue from Online Channels Thu, 02 Feb 2012 19:48:22 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 Promoted Tweets: Twitter rolls out advertising on a CPM basis http://www.ninahale.com/promoted-tweets-twitter-rolls-out-advertising-on-a-cpm-basis/20100413/ http://www.ninahale.com/promoted-tweets-twitter-rolls-out-advertising-on-a-cpm-basis/20100413/#comments Tue, 13 Apr 2010 21:25:10 +0000 admin http://www.ninahale.com/?p=809 http://www.ninahale.com/promoted-tweets-twitter-rolls-out-advertising-on-a-cpm-basis/20100413/feed/ 0