The number of conversions (defined as offsite sales, comments, shares, app installs and game plays) via Facebook ads has increased 56.9% in the first two quarters of 2013, according to Kenshoo Social. New global data, based on 75 billion Facebook ads across a representative sample of advertisers and agencies, highlighted the improved performance of Facebook ads in the first half of 2013, with ads generating more conversions and revenue for advertisers.