The Guardian's Deborah Orr is probably right that the Marks and Spencer "shwopping" initiative is "an ugly word for a dubious enterprise", but I am rather taken with this promotion for the program. M&S is encouraging shoppers to "shwop" -- swap their old clothes for discount vouchers when they buy new clothes at M&S, with the old clothes going to charity -- and to promote the affair, they covered this large Truman Brewery warehouse building off Brick Lane with used clothes, to great effect.

Shwop