Grillo has a daily blog where he speaks about alternative energy, globalization, and technology. Versions of the blog are in English, Italian and Japanese. Posts in the Italian version will commonly get thousands of comments and replies from people. His blog is one of the 10 most viewed blogs. He often gets letters from important people who support his blog. These people include Antonio Di Pietro (Italian Minister Of Infrastructures), Fausto Bertinotti (President of the Italian Chamber of Deputies), Renzo Piano, and even Nobel Prize Winners like Dario Fo, Joseph E. Stiglitz, Dalai Lama, Muhammad Yunus.