In a posting on Nokia’s official Conversations blog, Mark Squires, head of social media communications for the Finnish company, has disputed Apple CEO Steve Jobs’ claim that Apple is, by revenue, now “the largest mobile devices company in the world.” The article refers to a story from Finnish paper Helsingin Sanomat, quoting Nokia CEO Olli-Pekka Kallasvuo saying that Nokia is the world’s biggest mobile device manufacturer,…