Case study question

Does TESCO augmented reality affect bargaining power of customer $($of the Five Force model $-$ pp$.12-$textbook$)?$ If so or not, explain why you think so$.$ Develop your answer based on the Five Force model.

TESCO's virtual market has changed sales and marketing which is a primary activity of value chain $($pp$.15$ textbook$).$ Explain how TESCO's virtual market makes changes in sales and marketing primary activity. Develop your answer based on the Value Chain model.