Why U.S. tech companies struggle to replicate China's WeChat 'super app' model

Think about the apps you use on your phone every day. Studies have shown Americans use an average of 46 mobile apps each month to complete a variety of everyday tasks.Now imagine if you could combine all of those programs into a single, standalone app. A one-stop shop to socialize with friends, order food, pay rent, or even consult with a doctor — colloquially known as the "super app.""We're all sick of the dozens of apps on our phones," said Arjun Kharpal, CNBC's senior technology reporter. "And the appeal ...