People use portal search engine for free. however the cost to develop good search engine is recovered by the advertisers who want to put ads on the search result pages. this model where support for one product comes from the profits generated by another product is called:

​participate in networking opportunities that allow you to get to know potential clients, other entrepreneurs, influential people in your community, etc. focus on doing everything you can to cultivate posting word of mouth advertisin

the law, public safety, corrections, and security cluster prepares people for careers in planning, managing, and providing legal, public safety, protective services and homeland security, including professional and technical support services.

top-level manager

me later < 3