Market Sizing

Who, What, Why

Who: Shoppers who shop online

What: Like W3 Store Assistant, with the exception that we are interested in our shopper, rather than the brand. So we recommend shoppers across stores so that they have the best deal

Why: ?

Narrowing Focus

We would want to cover all categories, but lets pick a category first from resources like

The Nine Top Online Shopping Categories in the US (By Revenue)