Digital marketing became more sophisticated in the 2000s and the 2010s, when[18][19] the proliferation of devices' capable of accessing digital media led to sudden growth.[20] Statistics produced in 2012 and 2013 showed that digital marketing was still growing.[21][22] With the development of social media in the 2000s, such as LinkedIn, Facebook, YouTube and Twitter, consumers became highly dependent on digital electronics in daily lives. Therefore, they expected a seamless user experience across different channels for searching product's information. The change of customer behavior improved the diversification of marketing technology.[23]

Off page SEO: This type of SEO focuses on all of the activity that takes place "off the page" when looking to optimize your website. "What activity not on my own website could affect my ranking?" You might ask. The answer is inbound links, also known as backlinks. The number of publishers that link to you, and the relative "authority" of those publishers, affect how highly you rank for the keywords you care about. By networking with other publishers, writing guest posts on these websites (and linking back to your website), and generating external attention, you can earn the backlinks you need to move your website up on all the right SERPs.
Those engaging with your company online via mobile devices need to have the same positive experience as they would on desktop. This means implementing a mobile-friendly or responsive website design to make browsing user-friendly for those on mobile devices. It might also mean reducing the length of your lead generation forms to create a hassle-free experience for people downloading your content on-the-go. As for your social media images, it's important to always have a mobile user in mind when creating them as image dimensions are smaller on mobile devices, meaning text can be cut-off. 

To engage customers retailers have shifted from the linear marketing approach of one-way communication to a value exchange model of mutual dialogue and benefit-sharing between provider and consumer.[26] Exchanges are more non-linear, free flowing, and both one-to-many or one-on-one.[6] The spread of information and awareness can occur across numerous channels, such as the blogosphere, YouTube, Facebook, Instagram, Snapchat, Pinterest, and a variety of other platforms. Online communities and social networks allow individuals to easily create content and publicly publish their opinions, experiences, and thoughts and feelings about many topics and products, hyper-accelerating the diffusion of information.[27]
In the 2000s, with increasing numbers of Internet users and the birth of iPhone, customers began searching products and making decisions about their needs online first, instead of consulting a salesperson, which created a new problem for the marketing department of a company.[15] In addition, a survey in 2000 in the United Kingdom found that most retailers had not registered their own domain address.[16] These problems encouraged marketers to find new ways to integrate digital technology into market development.
In the 2000s, with increasing numbers of Internet users and the birth of iPhone, customers began searching products and making decisions about their needs online first, instead of consulting a salesperson, which created a new problem for the marketing department of a company.[15] In addition, a survey in 2000 in the United Kingdom found that most retailers had not registered their own domain address.[16] These problems encouraged marketers to find new ways to integrate digital technology into market development.
The new digital era has enabled brands to selectively target their customers that may potentially be interested in their brand or based on previous browsing interests. Businesses can now use social media to select the age range, location, gender and interests of whom they would like their targeted post to be seen by. Furthermore, based on a customer's recent search history they can be ‘followed’ on the internet so they see advertisements from similar brands, products and services,[45] This allows businesses to target the specific customers that they know and feel will most benefit from their product or service, something that had limited capabilities up until the digital era.

The development of digital marketing is inseparable from technology development. One of the key points in the start of was in 1971, where Ray Tomlinson sent the very first email and his technology set the platform to allow people to send and receive files through different machines.[10] However, the more recognisable period as being the start of Digital Marketing is 1990 as this was where the Archie search engine was created as an index for FTP sites. In the 1980s, the storage capacity of computer was already big enough to store huge volumes of customer information. Companies started choosing online techniques, such as database marketing, rather than limited list broker.[11] These kinds of databases allowed companies to track customers' information more effectively, thus transforming the relationship between buyer and seller. However, the manual process was not as efficient.


Video Marketing: YouTube has become the second most popular search engine and a lot of users are turning to YouTube before they make a buying decision, to learn something or just to relax. There are several video marketing platforms, including Facebook Videos, Instagram, Vimeo to use to run a video marketing campaign. Companies find the most success with video by integrating it with SEO, content marketing, and social media marketing campaigns.
Using Dr Dave Chaffey's approach, the digital marketing planning (DMP) has three main stages: Opportunity, Strategy and Action. He suggests that any business looking to implement a successful digital marketing strategy must structure their plan by looking at opportunity, strategy and action. This generic strategic approach often has phases of situation review, goal setting, strategy formulation, resource allocation and monitoring.[66]
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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