Explanation:

The advantage of ODR include, 

• The ODR is not restricted to the use of legal mechanisms such as mediation, conciliation and arbitration in an online environment but can be tailor-made for the specific use case keeping the participants in mind, 
• The ODR can not only digitise the entire value chain but can also facilitate an enhanced user experience, 
• The ODR will help mitigate litigation risk and provide valuable insights into problems faced by consumers, 
• Consumers are provided with another choice for effective redress of their grievances, thereby building trust, confidence and brand loyalty.

Hence option 4th is correct.