Samsung’s Galaxy Note 7 disaster has distracted attention recently from Apple’s challenges, but in fact any corporate schadenfreude it may be feeling over its handset rival’s setbacks is misdirected. The real danger to Apple’s ability to dominate the ‘everything connected’ experience in the same way it has defined the smartphone comes from the web players, and most urgently, at the moment, from Amazon. Hot on the heels of the surprise success of the Amazon Echo, which has forced both Apple and Google to respond with AI-enabled smart home controllers, the giant retailer has launched a music streaming service clearly designed to outdo Apple’s own service, which has been one of the most significant growth areas in its recent underwhelming quarters.…