I bought your iOS udemy course. How do I contact you if I need help? On twitter? Do we have access to your slack channel, or is that only allowed if you bought the course on appbrewery.co/ ? @yu_angela

Thought you might enjoy this course on @Udemy: iOS 11 & Swift 4 - The Complete iOS App Development Bootcamp udemy.com/share/100038AkMdcl…