Een goed werkend afweersysteem houdt de mens gezond. De toegekende onderzoeken moeten het mogelijk maken om eerder in het proces van het ontstaan van ziektes het afweersysteem bij te sturen. Ontsporing van cellen speelt bij veel ziektes een cruciale rol in het ontstaan van de aandoening. Als die ontsporing kan worden tegengaan of hersteld, dan komt genezing echt in zicht. 
There is an answer to this buyer-driven environment: Content. Content marketing is the process of creating high-quality, valuable content to attract, inform, and engage an audience, while also promoting the brand itself. Buyers and consumers are already searching the web for answers that your brand is uniquely positioned to offer. It’s benefits are three-fold:

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 [8]. 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.[9] This kind of databases allowed companies to track customers' information more effectively, thus transforming the relationship between buyer and seller. However, the manual process was not so efficient.