Linkbucks is a well-established link shortener (interstitial/intermission) network that offers publishers and web users the chance to easily monetise links they share on blogs or social media.
Review of Shorte.st, an interstitial link shortener ad network that offers users a way to monetise the links they share on their websites or through social media.
Review of the AdFly (or Adf.ly) interstitial link shortener ad network, the network which essentially established the market for monetisation of shortened links to be shared on social media.
Conversant (formerly ValueClick Media) currently represent the pick of the independent online ad networks due to their great support and service, as well as decent payouts.
Google is the leader in search technology on the internet, and their AdSense Network offers accurately targeted text adverts targeted to the actual content of each page, therefore being able to offer high eCPMs.