Provide all possible means for validating
For further information, see FHIR Conformance Testing .The XML schema can be used to validate XML representations of the resources.In the example below (which will remain unnamed) this business seemingly had a strong social following on the surface: Facebook: Twitter: Although these numbers look impressive, it’s easy to see that this account isn't totally authentic and the numbers are inflated.All of their posts and status updates have almost no interaction on them.When validating a resource, you can nominate one of the following schema: In addition, the validation schema includes schematron that can be initiated with transform "iso_svrl_for_xslt2.xsl" included in the XML Tools download.Note that XSLT2 is required to run the schematrons.You can use a service like Who Is to lookup information on a particular domain and see when it was registered.Additionally, both Twitter and Facebook will show you the creation dates of accounts.
Therefore, a good first step is to look to your competition to better understand demand and potential product appeal.
Although you’ll probably never know exactly how well your competition is doing, there are things you can uncover that can give some indication.
The first step is to first determine who is currently selling your potential product.
Once I found a few of the top ranking online hair extensions stores, I searched for them in both SEMrush and Similar Web to get the following list of additional online hair extension retailers.
Businesses that don't make money don't stay in business.
Social following and interaction doesn’t necessarily correlate to sales but it could be a good indicator of market interest.