a)
a blog / a social networking site
- where you're from
- family information
- likes / dislike
- hobbies
- favourite music / food
- religious or spiritual beliefs
- pet peeves
- groups you belong to
- trips and unusual experiences
a networking site for professionals / a job application
- talents and skills
- education / grades / qualifications
- goals and plans
- address
- job
- professional achievements
b)
- You should only include information you are comfortable with and which you think is relevant for the purpose.
- Always consider the reader and what he / she wants to know.
- It's generally best to avoid certain topics, such as religious beliefs, anything too personal or confidential information about your work.