Explain the New Marketing Concept: Investigate and elucidate a contemporary marketing concept that has gained prominence in recent years. Discuss its principles, implementation strategies, and how it differs from traditional marketing approaches, highlighting its significance in today's business environment.

Three Important Aspects of Social Media Marketing: Identify and delve into three crucial aspects entrepreneurs should consider when engaging in social media marketing. Explore topics such as content strategy, audience targeting, influencer partnerships, analytics utilization, or community engagement, elucidating their significance and impact.

Guerrilla Marketing: Define guerrilla marketing and illustrate its unconventional nature and effectiveness in capturing audience attention. Provide examples of successful guerrilla marketing campaigns and discuss how entrepreneurs can leverage this approach to gain traction in a competitive market.

Skimming and Its Effects: Define the pricing strategy of skimming and elaborate on its effects on consumer behavior and market penetration. Discuss how this approach influences early adopters, market perception, and long$-$term profitability for products or services.

Two Pricing Models Pertinent to the Social Media Age: Identify and describe two pricing models tailored for the digital and social media era. Discuss their relevance, advantages, and potential challenges for entrepreneurs aiming to capitalize on the online market space.