| bing ads | Microsofts paid, self-serve advertising network platform, a parallel to Googles AdWords. Like AdWords, Bing Ads determines how frequently it displays an ad based on a combination of ones maximum bid and the click-through rate of the ad, among other qualities. |
| closed-circle content loop | An inbound content strategy in which content is recycled, updated, modified, and reused ? rather than neglected ? once it has been published. |
| nofollow | Links marked up with rel=nofollow do not pass PageRank. Google encourages the use of these in some situations, like when a link has been paid for. |
| permission marketing | A term coined by Seth Godin that is synonymous with inbound marketing. |
| long form content | A link building technique that involves improving already popular content to attract even more backlinks to it. |