Recently,[when?] there has been a rapid increase in online lead generation: banner and direct response advertising that works off a CPL pricing model. In a pay-per-acquisition (PPA) pricing model, advertisers pay only for qualified leads resulting from those actions, irrespective of the clicks or impressions that went into generating the lead. PPA advertising is playing an active role in online lead generation.
"The number of Cyberchondriacs has jumped to 175 million from 154 million last year, possibly as a result of the health care reform debate. Furthermore, frequency of usage has also increased. Fully 32% of all adults who are online say they look for health information "often," compared to 22% last year." said Harris Interactive in a study completed and reported in August 2010 with demographics based in the United States of America.
Sales leads are generated on the basis of demographic criteria such as FICO score (United States), income, age, household income, psychographic, etc. These leads are resold to multiple advertisers. Sales leads are typically followed up through phone calls by the sales force. Sales leads are commonly found in the mortgage, insurance and finance industries.