In February, Chirpify <a href="https://techcrunch.com/2012/02/15/sell-simp-ly-rebrands-as-chirpify-launches-new-twitter-commerce-platform-for-brands/">rebranded from SellSimp.ly and launched a Twitter
Brands have typically used Twitter as a somewhat indirect broadcast platform, listing items for sale, but only doing so in a way that is intended to lure customers away from Twitter to their own websi