If you're living on a tight budget but still need to keep in touch with loved ones who live abroad, you'll be glad to know of a new calling plan from Ultra Mobile. The upstart MVNO offers discounted access to T-Mobile's network, and for $19 per month, you'll fetch unlimited text messages to 194 countries, 250 voice minutes (with $1.25 toward international calling), and 50MB of data usage. For comparison, Simple Mobile
