Necessity of confirm purchases
Nowadays is easy that someone steal twitter accounts. Don't you think is dangerous that with only a tweet you can send money or buy things immediately?
Alejandro- Great input here. We’ve thought about confirmations numerous times, but think it disrupts the flow of transacting in-stream. Out of thousands of transactions, only 3 have taken place errantly. Likewise, this is why we built directly on Paypal! http://chirpify.uservoice.com/knowledgebase/articles/112226-tell-me-about-security-