The design philosophy of the everything app WeChat may seem paradoxical, being simultaneously pervasive and inconspicuous. But this idea of “everythingness” goes back to ancient Taoist philosophy.

Everything apps offer a wide range of features, combining social media with personal finances. But creating the perfect everything app is no easy task.

Mobile apps are sometimes ‘regionalized’ to better serve the needs of users, functioning differently in, for example, China than in Canada. But some of those differences pose security and privacy risks.

An app that young people use to share videos of themselves dancing might seem like a silly diversion, but it's become a powerhouse social media platform.