Last summer, Google launched the search field trial for users to opt into, and have Google return results from their Gmail accounts, when relevant, when performing regular web searches. This also included flight information, and Google eventually added data from Google Drive and Calendar into the mix.
Now Google has announced the further expansion of the field trial, with users now able to search Gmail contacts from the web search box.
Google says it will also soon add data from Google+ profiles into the mix.
Google had this to say in a Google+ update: