just a thought... wrote:
Perhaps the IRS can clarify. Hobby vs Business:
http://www.irs.gov/uac/Business-or-Hobby%3F-Answer-Has-Implications-for-Deductions
I don't think the Internal Revenue Service is an authoritative source on English language usage.
I like this one from Merriam Webster: "following a line of conduct as though it were a profession."
http://www.merriam-webster.com/dictionary/professionalLOL, under that definition maybe the BrosJo should start advertising LRC as "The Web's #1 destination for professional runners"!