Ampersand Versus And: When are They Appropriate?
The ampersand (&) is sometimes used in place of the word and in informal writing, like in lists and brand or company names (Johnson & Johnson, AT&T, Barnes & Noble, etc.). Where you don’t generally see ampersands in the place of the word and is in formal writing, like books. So when is it appropriate to use an ampersand, and when should you spell out and?