USA,Techcrunch40 conference-Loudtalks , a Russian startup offfers a free downloadable push-to-talk messaging application for nearly any phone. It supports real time private or group voice communication in the walkie talkie style. Loudtalks is based on the peer-to-peer architecture and capable to work behind most firewalls and NATs. The software is lightweight (installer is less than 1 Mb) and unobtrusive. Normally it runs in the background and can be activated with hotkey without switching the focus or popping up the application window. The advantages of Loudtalks over existing messaging systems include speed, asynchronous style and voice messaging.