Data mining is the process of discovering new patterns from large data sets involving methods at the intersection of artificial intelligence, machine learning, statistics and database systems. wikipedia.org

Lead generation, or lead gen is a marketing tool used, particularly in internet marketing, to generate consumer interest or inquiry into products or services of a business. wikipedia.org

A geographic information system is a system designed to capture, store, manipulate, analyze, manage, and present all types of geographically referenced data. wikipedia.org

A property tax is a levy on the value of property that the owner is required to pay. The tax is levied by the governing authority of the jurisdiction in which the property is located; it may be paid to a national government, a federated state, a county/region, or a municipality. wikipedia.org

Google Map Maker is a service launched by Google in June 2008, designed to expand the breadth of the service currently offered by Google Maps. wikipedia.org

Investment is the purchase of an asset or item with the hope that it will generate income or appreciate in the future and be sold at the higher price. wikipedia.org