If you’re interested in the Twitter marketing phenomenon and haven’t read The Science of Retweets then you’re missing out. The report is a 22-page PDF by Dan Zarella focusing on what, when, why, and how Retweets are sent out. From the time of the day and day of the week most Retweets are sent, down to what words and punctuation marks are used most. Forget paid courses and programs; if you’re interested in Twitter marketing this is the best resource that I’ve found on the internet yet. And it’s free. All you have to do is subscribe to Dan’s website either by e-mail or RSS (which you should do anyway) and it’s yours.
“Over the course of 9 months, beginning in December of 2008, I’ve collected over 40 million ReTweets, including Tweets that contain variations of “RT,” “ReTweet,” and “Via.” I’ve also collected a random sampling of over 10 million “regular” Tweets that may or may not be ReTweets. The Tweets come from Twitter’s search API and its streaming API, both of which I have whitelisted access to. I use these 2 data sources and my own PHP scripts to analyze and compare the characteristics of both.”
DanZarella.com
@DanZarella on Twitter
The Science of Retweets Report


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Thanks so much for passing this along Dan. I’ve been looking for concrete Twitter stats and info and this definitely seems like a great lead. Do you happen to know of any sites that deliver stats on clickthrough rates for Facebook and Twitter? I’ve found sites that claim average Twitter clickthroughs to be anywhere from .1%-4%.
Thanks!