Flexible iPhone Designs/iPhone 5 Charge Costs

Today, there are 2 articles for your review.  First, Apple could be looking into flexible display designs for the future.  This is based on patents that were filed.  Second, there is an article that shows how much it costs to charge the iPhone 5 for a year.  How much do you think it costs?  Read the article and see if you're correct.

Flexible iPhone

iPhone 5 Charging Costs