“If you write a book that annoys or inconveniences me, even deliberately, I have no civil or criminal recourse. But if you send an e-mail message, or post a tweet, you could face three years in jail,” says Mr. Prakash. “That’s higher than the two-year imprisonment for causing death by negligence.”
No, it only speaks the result if there is single answer to say. If you ask it what is 15% of 51 it will speak the result. But if you ask a broad question (what is quantuum mechanics) it will just list all results.
I tried it on iPhone 4 as well and it does speak some answers. Touch the "i" button on the left of the red microphone button and make sure "Speak answers back" at the bottom is turned on.
For some reason I had English (Australian) active in the Google language settings even though I don't live there. It started reading the answers when I switched that to English (US).
http://www.amazon.co.uk/The-Yes-Book-Better-Negotiation/dp/0...