Search engines use complex mathematical algorithms to interpret which websites a user seeks. In this diagram, if each bubble represents a website, programs sometimes called spiders examine which sites link to which other sites, with arrows representing these links. Websites getting more inbound links, or stronger links, are presumed to be more important and what the user is searching for. In this example, since website B is the recipient of numerous inbound links, it ranks more highly in a web search. And the links "carry through", such that website C, even though it only has one inbound link, has an inbound link from a highly popular site (B) while site E does not. Note: Percentages are rounded.

With the explosion of digital media, people began to engage with each other – and the companies they did business with – in new ways. The relevance of traditional print and broadcast channels declined, completely changing the consumer-corporation dynamic. Digital channels opened doors for consumers. No longer passive participants in a one-sided marketing conversation, consumers became empowered authors, publishers and critics. The digital landscape is participatory, an area where consumers exchange ideas. Marketers no longer drive the discussion. Everyday consumers are now the style makers and trendsetters.
As digital marketing continues to grow and develop, brands take great advantage of using technology and the Internet as a successful way to communicate with its clients and allows them to increase the reach of who they can interact with and how they go about doing so,.[4] There are however disadvantages that are not commonly looked into due to how much a business relies on it. It is important for marketers to take into consideration both advantages and disadvantages of digital marketing when considering their marketing strategy and business goals.
The third and final stage requires the firm to set a budget and management systems; these must be measurable touchpoints, such as audience reached across all digital platforms. Furthermore, marketers must ensure the budget and management systems are integrating the paid, owned and earned media of the company.[69] The Action and final stage of planning also requires the company to set in place measurable content creation e.g. oral, visual or written online media.[70]
Google's search engine marketing is one of the western world's marketing leaders, while its search engine marketing is its biggest source of profit.[17] Google's search engine providers are clearly ahead of the Yahoo and Bing network. The display of unknown search results is free, while advertisers are willing to pay for each click of the ad in the sponsored search results.
Quality content is more likely to get shared. By staying away from creating "thin" content and focusing more on content that cites sources, is lengthy and it reaches unique insights, you'll be able to gain Google's trust over time. Remember, this happens as a component of time. Google knows you can't just go out there and create massive amounts of content in a few days. If you try to spin content or duplicate it in any fashion, you'll suffer a Google penalty and your visibility will be stifled.
Inbound marketing refers to a marketing methodology wherein you attract, engage, and delight customers at every stage of the buyer's journey. You can use every digital marketing tactic listed above, throughout an inbound marketing strategy, to create a customer experience that works with the customer, not against them. Here are some classic examples of inbound marketing versus traditional marketing: 
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