Accounting students, struggling with a problem in the middle of the night, can now get live help from one of the new online tutoring companies.Based in India and the U.S., these firms employ tutors from around the globe, using a combination of Voice over Internet Protocol (VoIP), instant messaging (IM) and a virtual white board to which the student and the tutor both have access, Reuters reports. Smarthinking.com provides tutoring through individual accounts, college and institutional accounts and its partnership with the publishing company, Houghton Mifflin, Co.