By FARHAD MANJOO
The Amazon Echo is an artificially intelligent personal assistant answering to the name Alexa. It's not yet heavy on the "intelligent," but could one day be useful.
Google can now take you on the breathtaking climb up Yosemite's El Capitan
But now, you can experience the climb from the comfort of your own mobile device, tablet or desktop, thanks to what Google is calling “our first-ever ...