Yes, i've done it.
You can be any age to get a yahoo account but you have to be 13 years old or up to ask a question.
Yes you do, And you must be at least 13 to use it. (You can be any age for a Yahoo Account)
"The typical age requirement to open a checking account is eighteen years of age. However, it can go as high as twenty-one years of age depending on the state in which you live and the bank you are trying to open an account."
No there Is no certain age but below 7 cannot use yahoo as they cant operate it...
17or 18 years
In order to have email access on Yahoo Mail, one has to be at least 13 years or older. However, it is possible for parents to create a family account on Yahoo and thus grant younger individuals permission to have their own email account on Yahoo Mail.
If you want to open a account on facebook. you should have +13 (age).
10 years is the minimum age.
The application paperwork to open a Tesco savings account states that you must be at least 18 years of age to open an account. This also applies to their checking account service as well.
You can ask or answer questions at yahoo answers at any age,but Yahoo Answers says that you need to be 13 to create a yahoo answers account,same for Facebook,Wiki Answers and many other sites.
If you are a minor (less than 18 years of age) then yes you need the signature of an adult (Preferably your parents) in order to open a bank account. If you are an adult (more than 18 years of age) then you are free to open an account by yourself and it is not mandatory to have an adult supervise you.
Wiki Answers is open to "everyone" regardless of age, creed or sexuality. Open an account and use the site for free - within the guidelines.