Probably one of the first trials to establish a socalled "virtual research environment" in Africa (using e-mail, mailing lists, databases, file transfer, Internet Resource Guides etc.). The website offers access to the mails and other documents that were exchanged in the course of theses first trials starting 1994. [editors ilissAfrica]
According to his own statement, the author of this Twitter account lists "African Twitter users". As also non-African users are listed, what (also) counts seems to be the "African content" of the Tweets.