SwitchEasy's latest iPhone 4/4S case is called Card ($30), and though it won't make sense to users in some countries, it may appeal to people in others. Made from hard plastic that looks and feels almost like an inexpensive, simple rear shell -- with similarly weak protection -- Card distinguishes itself with added thickness that's designed to hold a single contact-based smartcard or debit card, and supports direct debit. You pop the card into…
