20% of companies use wikis

ChangeWave Research says that 24% of companies are using Web 2.0 social software. Another 8% said they’ll begin using it in the next 12 months. Wikis (20%), blogs (18%) and social networking (15%) are attracting the most attention. Future users think blogs (26%) and social networks (21%) will be most beneficial. 39% of respondents reported that their companies are very or somewhat willing to use Web 2.0 social software for business purposes.