People have been left gobsmacked after only just noticing a ‘hidden detail’ in the old F1 logo used between 1994 and 2017 – with some social media users amazed it took them 30 years to spot itPeople have been left gobsmacked after only just noticing a ‘hidden detail’ in the old F1 logo used between 1994 and 2017 – with some social media users amazed it took them 30 years to spot it