Amazon Tap review: A disappointing follow-up to a great smart-home device

When we reviewed the Amazon Echo last year, we hailed it as the best home-based voice-controlled product at the consumer level. It’s become even more versatile and powerful since then. It can control your home’s smart lighting, lock your smart lock, play music, provide weather forecasts, order a pizza, and more. This affordable, always-on personal assistant can manage not only your home, but much of your digital life. It’s so useful, we predicted many folks would want more tha