Punctuation question

[neilson at windstream.net]

Ron Wilbanks writes: 
> Have the rules of writing changed, and now favor
> the comma for a salutation, or is the colon still
> the rule?  My boss, who is 54 years-old, uses the
> comma all the time, as does his 19 year-old daughter.

ron, ys th rlz r chngd u bttr gt wit it or u left out in th old.

--Peter Neilson, who is planning to stay in Friday for all next week