Third party data is data bought from outside sources that did not collect the data themselves. Instead, it is bought from large data aggregators that gather it from many other platforms and websites. These aggregators pay other data owners for their 1st party data.
The aggregators then merge it into one large data set and sell it as 3rd party data.
Email marketing is the oldest and most used marketing strategy since market evolution. It has an incredible Return on Investment for those who understand it well.
Having an active, validated and legitimate American email list will boost your leads and sales and it's a fundamental part of any serious marketing plan.
Email appending, is a marketing practice that involves taking known customer data (first name, last name, and postal address) and matching it against a vendor's database to obtain email addresses.
Business Email Database