Provides insights on health and medicine, families and relationships, makeup and fashion, etiquette, and travel.

Online community for sharing questions, answers, and expertise on various topics of interest.

Providing expert advice and tips on various subjects including fitness, wellness, love, family, and careers.

Offers a large variety of tips submitted by users, and allows users to rate their usefulness.

Clients with questions, seeking experts with answers.

Online health questions and answers service of Columbia University.

Free online guide for people living with incomes near the poverty line.

Collection of life advice and tips. Features numerous tips shared by thousands of readers and published authors.

Provides advice on improving fuel economy.

Uses Facebook to categorize a user's friends. Users can then pose questions and this utility will post the question to those most likely to have a desire to answer.

Allows users to ask for advice and request the advice of others on any topic.