Messaging apps have changed almost everything on smartphones - it looks like voice will come next, reshaping how we speak to people in the same way as WhatsApp and Facebook changed how we write to them.
Read MoreHow should we think about smart watches? What happens to a tech product when delight is more important than specifications? Why would you want one?
Read MoreAmazon is a bundle - it’s hundreds of separate businesses, all running on the same common internal platforms. The big, established ones are highly profitable, but Amazon chooses to reinvest those profits into new businesses, so that reported net income for the company overall looks low. This masks the underlying success of the business model.
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