Here is a sampling of topics I have researched online:

BUSINESS AND LEGAL RESEARCH
Compile a list of office locations for a fortune 500 manufacturing company
Find list of officers and
status of an Arizona Corporation
Search for state and federal case law by subject or citation (assisting a paralegal)

CURRENT EVENTS AND POLITICS
Look up the voting record on several issues for a third party candidate
Research current events relating to a significant event in the daily news
Research political information relating to pending legislation

FUNDRAISING AND CHARITIES
Compile a list of specific charities based on their Better Business Bureau ratings
Information research
on a fraternal or not for profit organization
Research what "Samaritans' Purse" is doing for the relief efforts in Haiti

HEALTH, FITNESS, AND NUTRITION
Find recommended of over the counter medication for various ailments
Information research on
vitamins, home remedies, and natural cures
Medical information relating to various ailments and treatments

HISTORY, GOVERNMENT, AND MILITARY
Historical research
on open range stock raising in 1880's Johnson County, WY
Historical research on the achievements of General Robert E. Lee
Research military history of the Divisions in the US Marine Corps

PREPAREDNESS AND SURVIVAL
Compile list of recommended items for an Aircraft Survival Pack
Find earthquake and hurricane information for specific locations
Research wildfire information for a location in Arizona

RESEARCH FOR WRITERS
Photographic and image research
for various topics
Research Public Domain material on various topics
Search for company information relating to Business-to-Business copywriting

SELF IMPROVEMENT AND MOTIVATION
Finding information on coaching techniques for various situations
Finding motivational quotations and sayings
relating to topics or persons
Research benefits of day-planner systems including Day-Timer and TimeDesign
Research material for a Nightingale Conant product

SPORTS AND ENTERTAINMENT
Find information about an old TV Show or Movie
Find the teams and scores for playoffs leading to the Super Bowl
Research the history of the Pittsburgh Steelers Terrible Towel

TECHNICAL AND COMPUTERS
Compile a list of web sites selling engraving machines based on certain criteria
Find the user guide for an old piece of
computer equipment
Research types and options available on various printers and digital cameras