It really is beautiful inside Apple's walls. Apple’s hardware, software and services work so harmoniously that it’s often called a “walled garden.” The idea is central to recent antitrust scrutiny and the Epic vs. Apple case. WSJ’s Joanna Stern went to a real walled garden to explain it all. Photo illustration: Adele Morgan / The Wall Street Journal Personal Technology With Joanna Stern Technology is overwhelming and making decisions about what gadget to buy is harder than ever. WSJ personal tech columnist Joanna Stern makes it all a bit easier in her lively and informative videos. More from the Wall Street Journal: Visit WSJ.com: http://www.wsj.com Visit the WSJ Video Center: https://wsj.com/video On Facebook: https://www.facebook.com/pg/wsj/videos/ On Twitter: https://twitter.com/WSJ On Snapchat: https://on.wsj.com/2ratjSM #WSJ #iPhone #Apple