The proliferation of free, online flight tracking websites such as flightradar24 has seen the aviation community embrace the technology to expand their ability to promote and advertise.
Boeing took the opportunity over an 18 hour period spanning 02/03 August (local USA dates) to fly a Boeing 787-8 registered N7874 to "draw" an outline of the Dreamliner across a large swath of the continental United States.
In August 2015 Boeing flew a 747-8 to create a massive 12 across the western United States
https://www.geekwire.com/2015/photos-boeing-unveils-new-custom-designed-seahawks-747-freighter/
Boeing took the opportunity over an 18 hour period spanning 02/03 August (local USA dates) to fly a Boeing 787-8 registered N7874 to "draw" an outline of the Dreamliner across a large swath of the continental United States.
Not a bad effort!
In August 2015 Boeing flew a 747-8 to create a massive 12 across the western United States
https://www.geekwire.com/2015/photos-boeing-unveils-new-custom-designed-seahawks-747-freighter/