In Q2 2008, US mobile subscribers sent and received on average 357 text messages per month, compared with making and receiving 204 phone calls a month, according to Nielsen. In the first quarter of 2006, Americans sent and received 65 text messages per month. The number of messages sent and received today has increased 450%. In June 2008, American cell phone subscribers sent about 75 bln SMS text messages, averaging about 2.5 bln messages per day. This represents an increase of 160% over the 28.8 bln messages reported in June 2007.