He also used Twitter ads to promote a book by venture capitalist Guy Kawasaki called "Enchantment, " targeting users who expressed interest in the book's topic, persuasion tactics, by tweeting about it or searching for related information using Twitter's search feature.

WSJ: To Grow Big, Twitter Seeks Small Ads

For example, a trainer running a workshop on information skills for a women's organization could choose components from the 'Searching the Internet' unit and the 'Violence against Women' module, and combine them into a single workshop kit.

UNESCO: Communication and Information