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

Data scraping is a technique in which a computer program extracts data from human-readable output coming from another program. wikipedia.org

Office administration is a set of day-to-day activities related to financial planning, billing and recordkeeping, personnel, and physical distribution and logistics, within an organization. wikipedia.org

LinkedIn is a business-related social networking site. Currently, LinkedIn offers a JavaScript API and a REST API to allow external entities access to its resources. The APIs offer access to people and connections, groups, companies, jobs, social streams, and communications in LinkedIn.

LinkedIn is a social networking website for people in professional occupations.

Email marketing is directly marketing a commercial message to a group of people using electronic mail email. wikipedia.org