Both HMV and Jessops were technology based companies. Jessops were killed off by mobile phones with cameras and digital cameras. HMV by mp3s and other digital ways of downloading music directly onto your computer without an imtermediary like a record, CD or DVD.
I confess I have never enjoyed shopping and as I live in a rural area going shopping in a town with a reasonable range of shops is time consuming BUT there are somethings I do not buy online. I do not clothes shop online. I have tried it but more often than not the goods get returned because they do not fit, are unflattering or the quality is poor. You have to try shoes on before you buy them, sizes and shapes vary so much.
Similarly I shop for food. I rarely buy convenience food or ready meals, food items that have the absolute uniformity of any copy of a best selling book and frequently are no more appetising than the book would be if I ate it so I like to see and feel what am buying, make the most of last minute decisions on what fruit and veg I buy and make the most of the 'reduced for quick sale' labels on fresh food. I also buy almost all my meat and fish from local suppliers, likewise bread and some vegetables.
I think the future for the High Street is in the return of independently owned shops offering the goods that are slightly different from those supplied by large chains. There is a recently opened tea shop in my local town, very Cath Kidstone in design in an old timber-framed house, tea served in the kind of floral teacups and saucers that even charity shops have difficulty selling and home made cakes. I would sooner buy a cup of coffee there (and do) than go to the dreary impersonal coffee chain nearby, where coffee is served in gallon pails at twice the price in thick white mugs with everything uniform and prewrapped