The document provides tips for using Twitter to promote the idea of creating a designer baby via a smartphone app, including keeping tweets concise, using relevant hashtags and visuals, running polls to engage users, focusing on audience and posting times. Shorter tweets and infographics are highlighted as gaining more attention. The document also recommends allocating 1/3 of tweets to business promotion, 1/3 to industry ideas and stories, and 1/3 to personal interactions.