Twitter burning $115,883.88 a month?

Today’s FT article estimates Twitter is sending – conservatively – 70,000 text messages a day across its service. If, as Ed French commented on this blog, each text costs a minimum of 1p to send, Twitter is burning through 700 quid a day or $1,379.57, or $38,627.96 a month. It could in fact be three times as much if they are using a more robust SMS gateway service which costs