Google added returnPolicyCountry to the return policy code examples within the Google Merchant Center structured data ...

Designed as a high-tech marketing resource, QR (quick response) codes have many useful applications. These (usually) black-and-white algorithmic codes are gateways to a potential multimedia nirvana.

In this beginner’s guide, we dive into the different techniques for encoding categorical data, supported by visuals and practical code examples. Categorical data refers to variables that contain ...