iPhone owners have many options when it comes to free email services. Yahoo! has been around for some time, and until recently a Yahoo! account was required to participate in the photo sharing site Flickr. For anyone who has deleted their Flickr account, or who rarely uses Yahoo Mail, there is a simple way to permanently delete your Yahoo! profile.

The Contacts app on your iPhone, iPad and Mac sorts your entries by last name by default. While this is the norm for alphabetizing names, most people probably think of their family and friends by first names and use last name indexing for work contacts or clients. Whatever your preference, it is possible to sort your Contacts by first name on your iPhone, iPad and Mac - here's how to do it:

iPhone and iPad

Flickr has changed hands many times and become less popular with the rise of photo sharing apps such as Instagram. The service recently announced changes to its free account storage limits. If 1,000 images and videos isn't enough, some users may want to purchase a Flickr Pro subscription. Others may decide to move away from the service.

Have you ever wondered how a vending machine works? It's not as simple as you think. Vending machines are actually a complex system of obstacles, traps, platforms and even elevators. That's why humanity invented Vending-Robos. A Vending-Robo is a small robot whose job is to navigate tricky vending machines and deliver cans of soda. In Micro Vendor Adventures you take control of a Vending-Robo to help it navigate around obstacles and deliver cans to waiting customers.

If you're getting odd spelling suggestions when you type on your iOS keyboard you can reset your dictionary to factory defaults and start all over. This is helpful to erase "learned" misspelled words, joke spellings, common typos and words you have typed in a foreign language. Unfortunately there is no way to edit single words in iOS. You instead have to reset everything or create your own word shortcut.