It appears (for now) to only interact with those who perform a search through ‘s nascent flight-finding service. ke other now cards, you can turn it off if you don’t want to see further updates. Now is a particularly useful tool that mines your Gmail, search history, other data to provide you with contextual information. It will alert you to traffic congestion, remind you of hotel check-ins, offer articles to read.  keeps rolling out changes to the service, though they tend to be staggered as some get the new features long before others. If you don’t see the new cards yet, just be patient they will eventually show up.