> I first read that as Shit or Swag :|

That highlights the point he's making :)

Searching StockTwits for '$WAG' results in relevant tweets about Walgreen Co. [1], whereas searching Twitter for '$WAG' results in tweets containing '$wag' in place of 'swag' [2].

[1] StockTwits '$WAG': http://stocktwits.com/symbol/WAG?q=%24wag

[2] Twitter '$WAG': http://twitter.com/#!/search/%24wag/