These websites offer answers to questions for a fee. The answers are given by human experts and not by computer programs, website searches, or software.
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Allows users to pay for experts, technical assistance, web searching and document delivery.

Offers inspiration, marketing ideas, research, and negotiating. Advice on spiritual matters and relationships.

Ask questions and get answers in chemistry, math, physics, statistics, business, finance, advanced math, and engineering. Offers homework help, online tutoring, and assistance with online classes.

Ask questions and browse existing answers from experts in various categories.

Allows users to register, pay, and ask a medical question. Answers are provided by doctors who chose to participate.

Provides articles and forums about neurological conditions and diagnoses where MDs answer user questions in exchange for a donation.

Provides profile information and access to experts who set their own per-minute fees for their services. Includes demo and free registration.

Provides experts via chat, video, or email.
8
6,029
NA
25,200,000
689,000
NA

Auto mechanics, doctors, accountants and other experts answer user-submitted questions for an agreed upon fee.
5
2,478
NA
8,400,000
34,200
NA

New questions are no longer accepted though the answer archive can still be browsed and searched.
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