Dr. Mary Ellen Guffey: This choice assumes a general audience. For an savvy audience of technical people, the two abbreviations would work.

Ruth E. Thaler-Carter: I'd spell it out on first usage and then use B2B.

Karen Hanssen: The less abbreviated jargon there is, the better!

Paula Presley: B-to-B on first usage at least; perhaps put B-to-B in parentheses on first usage, and use it in subsequent references.

Karen Powers: B2B is acceptable when used among small internal groups, such as teams responsible for developing such a site. For general employee populations, acronyms should be avoided.

Rob Ault: I'd only use B2B for a very tech-savvy audience.

Jennifer German: My writing involves a large number of abbreviated program names and we often substitute a numeral for a word - in this case, however, I really would have chosen BtB.

G. Miki Hayden: Either of the first two is understood and commonly used.

John David Lamb: If this expression were used in an informal in-house memo, B-to-B would be acceptable.

L. L. Thrasher: B-to-B is okay as jargon, among people who know what it means. B2B should be limited to email, where shorthands are common, or to rock music groups.

Yocheved Golani: I prefer the immediacy of the form, and appreciate every techniques that affords me fewer keystrokes.

Bob Allen: Too jargony for me to choose.

Elizabeth Platt: Acronyms are starting to become confusing. Minimize their use.

Cathy Schlender: A & B are just plain yucky.

Lisa Karam Middleton: In our employee newspaper, we spell out words as much as possible and try to avoid industry jargon.

Jacqueline S. Garnier: In casual writing, we allow B2B, but in more formal products or in material intended for people new to e-business, we limit acronyms and this one would almost always be spelled out in formal text.

Elayne Cree : This is my choice for first mention of the term in text. I would probably use B-to-B thereafter for a business audience.

David Durgin: We should not talk in code!

Jodi Lipson: This is not a normal phrase for us to use with our audience, so they may not be familiar with it.

Charlotte Fox Luttrell: I'd advise business-to-business in body copy, B2B in headlines.

Paul Mulligan: C. Let everyone know what you are talking about. Clarity is paramount.

Mark H. Bloom: Use jargon only when it's appropriate to your audience, and then use it sparingly.

Amy Goldyn: Write it out on first reference; use either of the abbreviations thereafter.

Carrie Garbas: Our corporate style is very traditional, so we adapt newer language to fit traditions. B2B is not a term we use in our writing, so it generally isn't a challenge.