Users who arrive on a site from a pay per click link are 50% more likely to buy than those who come from clicking on an organic search engine result link.
Google AdWords
Utilizing pay per click campaigns such as Google AdWords, Bing or Yahoo PPC can instantly increase your website traffic with highly targeted visitors. 
Not only is pay per click marketing an excellent way to attract instant traffic to your website, it’s also ideal for tracking and split testing different offers you make on your website. This gives you the power to adjust your pages & marketing campaigns for success.
Social Media PPC Ads
“business to business” models.
Consistency and Perseverance
It cannot be overly emphasized how important it is to maintain strong monitoring and be proactive with PPC Campaigns. Constant change requires constant monitoring to be prepared to act on the new data. When performance falls short testing methods such as A/B Testing or multivariate testing, you can identify the problems and make adjustments accordingly. However, doing so takes time and trial and error. Sometimes finding the right keywords, proper bidding and effective Quality Scores take time.