This is often pretty much among the list of startup approaches espoused with the "Lean Startup" ideas - (not PR specifically, but gauging curiosity right before setting up) There may be precedent for covering news like yours: “I have some news that I believe can be perfect for XYZ part.” https://new-company-launch-press95836.fliplife-wiki.com/3921608/new_company_launch_press_release_an_overview