Beluga: Free, Private Group Mobile MessagingBeluga helps groups of friends stay in touch on the go. Use it to plan a night out or just share updates and photos. It's instant, intimate and simple. Best of all, it's completely free. Group conversations, on the go Stay connected and in sync even when everyone is on the run.
iPhone向けサイトを考える:Galcon大会についてのメモ
