The global deal will provide customers of Salesforce Radian6 more than 400 million messages on Twitter generated daily, which they can analyze to gain customer insight, fuel engagement, and build brand identity, Salesforce.com said in a statement.

Radian6 is Salesforce.com's social media monitoring and engagement tool. Salesforce.com Radian6, whose technology tracks conversations on social sites like Facebook, Twitter and LinkedIn, last year.

Salesforce.com has been trying to strengthen its social media offering to its customers. It said earlier this month it was social media marketing firm Buddy Media, which delivers targeted marketing content through Facebook, LinkedIn and YouTube, in a US$689 million cash and stock deal.

Competitor Oracle announced last month that it is Vitrue which helps corporations disseminate their messages and advertising across social media platforms, such as Facebook, Pinterest, Twitter, YouTube and Google+.

The terms of the deal between Salesforce.com and Twitter were not disclosed.