For start-ups, the need to scale up can be costly; discuss how business model design can help overcome this. In addition, discuss the value of developing a ˜cell phone monthly subscription business model. Provide three examples of companies that use the monthly subscription business model. Please make sure that the coverage is beyond all textual descriptions. Please include as many technical specifics as possible. For examples: Diagrams, flow charts, management designs, analytical metrics, parameters, or other computing-related details would be beneficial. Algorithms and system specs would be appreciated. Text must be 400 words not including references.