Chart a course through the labyrinth of financial metrics to compute the Return on Assets (ROA) and Return on Equity (ROE) for Facebook, Inc. for the fiscal year culminating on December 31, 20X3. Armed with net income figures of $20 billion, total assets valued at $100 billion, and shareholders' equity amounting to $80 billion, unravel the ROA to gauge Facebook's efficiency in generating profits from its asset base. Subsequently, navigate the terrain of financial analysis to decipher the ROE, shedding light on Facebook's ability to deliver returns to its equity shareholders relative to the equity invested. Embark on a comparative analysis juxtaposing Facebook's profitability metrics against industry benchmarks and peer group dynamics, unraveling insights into its competitive positioning, operational efficiency, and wealth creation capabilities amidst a dynamic digital landscape characterized by evolving consumer preferences and technological innovations.