Thrifting is on the rise in the UK, particularly on the smartphone. And a crop of “re-commerce” apps is now making the exchange of used clothing faster and easier.While traditional thrifting can be tedious and time-consuming, online thrifting is more efficient, allowing shoppers to filter by brand, size and other criteria.On these apps, users can participate as both buyers and resellers. This gives everyone the opportunity to become an entrepreneur and tastemaker.As reselling apps continue to grow in popularity, shopping is taking its place as a peer-to-peer experience.