While neither platform is particularly difficult to set up, Google made it so easy to download, pair, and start controlling my smart home devices. The Amazon Echo is not hard to set up or use, but the pairing process for smart devices seems more cumbersome. Conversely, Amazon Echo has more than 50,000 Alexa skills.

Tyler and Cameron Winklevoss became early Bitcoin investors after winning millions in a settlement with Facebook. Now they want better regulation of digital coins, echoing a “crypto needs rules” advertising campaign their New York-based Gemini cryptocurrency exchange initiated in January.