To become an influencer and effectively cross-promote on different platforms, follow these steps:

1. Define your niche and target audience: Determine the area of expertise or interest you want to focus on as an influencer. Research and understand your target audience's demographics, preferences, and behaviors to tailor your content accordingly.

2. Create high-quality content: Produce engaging and valuable content that resonates with your target audience. Use a mix of written, visual, and interactive media such as blog posts, videos, infographics, and podcasts. Ensure your content is well-researched, unique, and provides actionable insights or entertainment.

3. Choose the right platforms: Identify the social media platforms where your target audience is most active. This could include platforms like Instagram, YouTube, TikTok, Twitter, LinkedIn, or Facebook. Each platform has its own strengths and user base, so select the ones that align with your niche and audience.

4. Optimize your profiles: Set up professional profiles on each platform you choose to use. Use consistent branding elements like profile pictures, cover photos, and bio descriptions. Include relevant keywords and hashtags to improve discoverability and search engine optimization (SEO).

5. Cross-promote your content: Once you have content on one platform, leverage it to promote your presence on other platforms. For example:

   • Embed videos or link to blog posts in your Instagram or Twitter bio.
   • Share snippets or teasers of your YouTube videos on Instagram Stories or TikTok.
   • Promote your LinkedIn articles or blog posts on Twitter or Facebook.

   By cross-promoting, you can drive traffic and followers across different platforms, increasing your overall reach and visibility.

6. Collaborate with other influencers: Partnering with influencers who have a similar target audience but different platforms can be mutually beneficial. For instance:

   • Co-create content with a YouTuber and promote it on both your channels.
   • Interview an industry expert on your podcast and have them share the episode on their social media.

   Collaborations expose you to new audiences, expand your reach, and build credibility within your niche.

7. Engage with your audience: Respond to comments, direct messages, and mentions promptly. Engaging with your audience fosters a sense of community and loyalty. Encourage discussions, ask questions, and seek feedback to build meaningful connections and improve your content.

8. Analyze and adapt: Regularly review your analytics on each platform to understand what content performs well and resonates with your audience. Use this data to adapt your content strategy, posting schedule, and platform selection. Tools like Google Analytics, social media analytics, and third-party platforms can provide valuable insights.

Remember, building a successful influencer presence takes time, consistency, and dedication. By following these steps, you can effectively cross-promote your content on different platforms, expand your reach, and establish yourself as an influential figure within your niche.

Example:

<ol>  <li>Define your niche and target audience.</li>  <li>Create high-quality content.</li>  <li>Choose the right platforms.</li>  <li>Optimize your profiles.</li>  <li>Cross-promote your content:
    <ul>      <li>Embed videos or link to blog posts in your Instagram or Twitter bio.</li>      <li>Share snippets or teasers of your YouTube videos on Instagram Stories or TikTok.</li>      <li>Promote your LinkedIn articles or blog posts on Twitter or Facebook.</li>    </ul>  </li>  <li>Collaborate with other influencers.</li>  <li>Engage with your audience.</li>  <li>Analyze and adapt.</li></ol>```

References:
- Forbes: "How to Become an Influencer in 2021" - [https://www.forbes.com/sites/forbesbusinesscouncil/2021/01/29/how-to-become-an-influencer-in-2021/?sh=4d8336a14d3a](https://www.forbes.com/sites/forbesbusinesscouncil/2021/01/29/how-to-become-an-influencer-in-2021/?sh=4d8336a14d3a)
- Social Media Examiner: "How to Become an Influencer: The Ultimate Guide" - [https://www.socialmediaexaminer.com/how-to-become-an-influencer-ultimate-guide/](https://www.socialmediaexaminer.com/how-to-become-an-influencer-ultimate-guide/)