The best approach in terms of bringing skills and talent for a project with budget constraints and unclear variables and decisions is to bring in team members with strong problem solving skills, as this helps tackle ambiguity and uncertainty, and generate creative and effective solutions. Defining additional leads for each functional area or staffing heavily from the development phase may not be feasible or optimal for the project.

When evaluating ideas for a loyalty program, considering desirability (customer appeal), viability (business sustainability), and feasibility (practical implementation) ensures a balanced assessment. These criteria help in selecting ideas that are not only attractive to customers but also align with business goals and can be realistically executed.

The question that CK should seek answers to when determining if the business model is viable is what are customers willing to pay? This question helps evaluate the value proposition and revenue streams of the new service, and whether customers perceive the service as worth paying for. Reference: https://trailhead.salesforce.com/en/content/learn/modules/salesforce-strategy-designer-certification-prep/create-a-business-model-canvas

To gain the developer's support, crafting a compelling narrative that resonates with their values and concerns is effective. This approach involves presenting the concept in a way that aligns with the developer's interests and technical perspective, facilitating understanding and buy-in.

The best way to measure the success of a social app for professional networking is to track the new connections made between users, as this reflects the value proposition and user engagement of the app. Measuring the number of times a user opens the app per day or the new account activations may not capture the true impact of the app, as users may open the app without interacting with others or create accounts without using them.