Business 2.0 (one of MediaMap's "Most Searched"), adds three new regular contributors to the mag and Web site. Jeffrey Pfeffer of the Graduate School of Business at Stanford pens a new column called "The Human Factor" with a look at human resources and the value of employees. Shoshana Berger writes a gadgets column dubbed "Gizmos" covering the latest techie products; and John Tayman, an automotive aficionado, will write "Power Toys," looking at the latest cars and the technology under the hood. Contact the new writers at pitches@business2.com, and put "ATTN: [columnist's name]" in the subject line.