Design sprints can help solve challenges in your UX project for your new e-com in just four days. Design sprints enable you to test a prototype on real customers before a single line of code is written. By taking away building and launching you're avoiding the guessing game. 

Örn Sigurbergssson, a Senior UX Designer at Avensia, has extensive experience working with design sprints. In this talk, he explains the methodology along with the advantages.