Adwords operate on a pay-per-click model in which users bid on keywords, and pay for each click on their ads.
Autoresponder: a program that automatically generates a set response to all messages sent to a particular email address.
BTC-abbreviation for Bitcoin
CPA-Cost per action
CPC-Cost per click
CPS-Cost per sale
CTR-Click Through Rate
First-Click Attribution is a type of web analytics model in which the first click that brings a visitor to a website is given credit for any sale or conversion that ultimately takes place
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Last-Click Attribution refers to a web analytics model in which the “last click” is given credit for a sale or conversion. In other words, if someone comes to your website and orders some flowers, you should have a web analytics system in place that tells you where that customer came from.
Niche: A tightly defined market segment that has a similar trait in common.
PPC- pay per click