Below are areas in which our online style will follow or differ from the reliable AP StyleBook. For things that I don’t address here, please refer to AP, or ask with an email.
If you are also coming from a broadcast background like me, you will find all these general rules tedious and annoying. However, we hope you will read through this and refer to it often, so our sites maintain a standard style of awesomeness and clarity. Most notably, remember casing for headlines, which differs from newspapers: Capitalize The First Letter of Each Word in Your Headlines (that aren’t prepositions). And capitalize the first letter of each tag. All the rest of the excitement is after the jump. –Elise