Or at least update your style guide so the logo is "Yahoo!" but when in text it's ok to say "Yahoo". Copywriting rule number one: If you have to use an exclama

Or at least update your style guide so the logo is "Yahoo!" but when in text it's ok to say "Yahoo". Copywriting rule number one: If you have to use an exclamation point, you need to reword the sentence. "He's fast, strong and can jump!" vs "Faster than a speeding bullet, more powerful than a locomotive, able to leap tall buildings in a single bound."