If it is a woman, a maven.
Such a person is an organiser, or is organised.
A person would just have to go to AOL's website or call their toll free number to get information on their service plans. Frys is a local ISP that has information about AOL as well.
Well i call this type of person a 'BUG'...
I would call such a person inhospitable.
No phone plans are more reliable. They can offer support for problems as well.
Well ! If some person believes that his/her dreams do come true, means he believes he/she has the ability to perceive events in the future is normally called Clairvoyant.
A perfectionist.
can you call someone a welth of knowledge
Well, some would call such a person a Hermit.
well a person that can't sleep has insomnia.
well rounded.
no or you well be arrested for stalking.