The 2015 marketing report for Tesco highlights the company’s significant financial struggles, including a £6.4 billion loss, and emphasizes the need for radical changes to regain brand identity and customer trust. Key strategies involve focusing on ethical practices, increasing competitiveness in the UK market, and remodeling the store portfolio to adapt to changing consumer habits, especially with the rise of online grocery shopping. The report also analyzes important macro and micro factors affecting the business, including economic trends, social changes, and competitive dynamics within the grocery sector.