If you could bring back one discontinued product/food/trend, what would it be?

Was curious what are the best apps/products that are no more around, but were great at one point. I feel like there might be some insights here if everybody chimes in, maybe something we need to bring back alive?

Brand people, Marketing and advertising people, what do you think the reason is ? Will there be any next Piyush Pandey?

I'll go first- walkman, ipod, and earphones you used to get from kingfisher (red ones with amazing sound quality)

Just wondering if you have to pick one app / platform, which one would it be?

Ignore Coca Cola and add something else which you think should be part of this list but it isn't.

Doesn't need to be branded