I have a friend who likes to recount the following advice from one of his mentors:

“Be brief, be bright, be gone.”

As more marketers enter the Tweetosphere I think there are lessons to be gained from this advice. Since you can’t help but be brief on Twitter we will put that part of the quote aside and focus on the other two

SmartBrief staged a social media conference this past week and webcasted it so that we could all share in the great ideas expressed by their knowledgable panel. View the online version of this conference here.

SocialMedia.comhas just launched TwitterSparq as a pay-per-performance ad platform that allows you to target keywords and users across Twitter. For the first two weeks all accounts will be free of charge and thereafter costs will be based on a per-tweet basis.