Economic growth was strong last quarter, but trade tensions did not go unnoticed. We’ll take apart the gross domestic product and see what it can tell us about the economy’s push and pull. Then, a look at tech news both big — falling user numbers that threaten Snapchat and Twitter — and small: Why do movies on your Netflix account look different from your friend’s? Plus, the old school tech and legal drama behind cloud storage and the magnetic tape that powers it.