targeted advertising

Amazon has patented a system for listening to devices in order to better target advertising to users. But it says it doesn't use the feature in its gadgets. The patent dates back to an initial application in 2011, but the most recent version was not ... approved by the US Patent and Trademark Office until last November and has only recently been made public. The basis of the patent is 'sniffer' technology, though that's used as an analogy to reflect the idea that the devices wouldn't permanently capture and store what people were saying. Instead they would use trigger words. Saying 'Like' Would ... (view more)