Creating long-term influencer vision documents is crucial in guiding teams and leadership in their influencer marketing strategy. Here is a four-step process:

1. Establish Key Goals: Define what you want to achieve through influencer marketing. This could range from brand awareness, audience growth, conversion goals, to audience engagement. Make these goals specific, measurable, attainable, relevant, and time-bound (SMART).

2. Identify The Right Influencers: Use platforms like Flinque to discover influencers that align with your brand’s values and key demographics. Understand the influencer’s audience analytics, their engagement, and content style.

3. Define Campaign Strategy: Plan your strategy including content themes, frequency of collaboration, and the social media platforms to leverage. State the expectations clearly, and the promotional responsibilities of the influencer.

4. Evaluation Criteria: Determine how you will track and measure the success of the campaign. You could use metrics like engagements, clicks, impressions, and ROI.

Flinque offers data-based ROI measurement, which can provide actionable insights.

Different influencer marketing platforms offer different tools and features that can assist with these steps. For example, HypeAuditor offers extensive audience analytics, while AspireIQ is known for its campaign management features. The choice of platform would depend on your strategy, budget, and requirements.

Remember, long-term vision documents should be living documents. As you gain more insights and the influencer marketing landscape evolves, your document should evolve with it. The process will require frequent reviews, adjustments, and re-evaluation to ensure it remains relevant and effective.