New S3 One Zone-IA Storage Class – This new storage class is 20% less expensive than the existing Standard-IA storage class. It is designed to be used to store data that does not need the extra level of protection provided by geographic redundancy.
雖然官方的文章標題是寫提供給 dev & test 情境下使用，但其實對於某些 production 應該也不錯：
The db.t2.medium should be a great fit for many of your development and test scenarios, and you should also consider them for some of your less-demanding production workloads.
int year = YearClass.get(getApplicationContext());
if (year >= 2013) {
// Do advanced animation
} else if (year > 2010) {
// Do simple animation
} else {
// Phone too slow, don't do any animations
}
