Chrome: You no longer have to tap the microphone or use a keyboard shortcut to launch Google’s voice search within Chrome. Instead, just as you can on a mobile device, just say “OK Google” to ask Google to look something up, convert things, or perform other tasks.
There are a lot of cool things you can do with Google Now, but with Google constantly adding more voice commands (and integrating Google Now even more with Android KitKat), it’s easy to forget all your options. This graphic shows many of the latest instructions available if you just say “OK Google…” or tap the microphone.
Why is the smell of baking cookies so intoxicating? What temperature do you need to bake at to get nicely browned cookies? This TED video explains it all and more.