4. 2 Typography Serif: line -height OpenAI conducts fundamental, long-term research toward the creation of safe AGI. 100% Op enA I’s mission is to ensure that ar tificial general intelligence (AGI)—by which we mean highly autonomous systems that outp erform humans at most economically valuable work—b enefits all of humanity. 130% We commit to use any influence we obtain over AGI’s deployment to ensure it is used for the b enefit of all, and to avoid enabling uses of A I or AGI that harm humanity or unduly concentrate p ower. Our primar y fiduciar y duty is to humanity. We anticipate needing to marshal substantial resources to fulfill our mission, but will always diligently act to minimize conflicts of interest among our employees and stakeholders that could compromise bro ad b enefit. 140% Line -height is the space between baselines and it determines the legibility and readability of the typography and also impacts the strength of voice. As a general rule of thumb, the line -height
 of text should be reduced as the size of the text increases. For body text , the line -height should increase to give the texts room to breath and space for the reader ’s eye to rest . Please refer to the typography scale on
 the next page for line -height values corresponding to your chosen type size.