Cornerstone | 124 followers on LinkedIn. Build like it's the future. | back in stealth. first try was great: we built team, built product, and sold product to a few ppl. unfortunately, we didn't think it would scale. now we're bringing deep tech to a much taller and wider vertical. we're still bringing frictionless homebuilding to life, but this time around it's a bit more than just building homes. preconstruction will likely never be the same