SPDL is a partnership between Folha (50%) and Estado (50%) groups, which distributes the newspapers by both companies. Grupo Folha also owns Datafolha, one of the leading polling institutes in Brazil; Publifolha press, which sold more than one million books in 2010; Três Estrelas imprint, released in 2012 to publish humanities books; and Folhapress newswire. New platforms The group's business strategy has increased the production and distribution of journalistic content designed to new technological formats, from tablets (like the iPad and Galaxy) to mobile phones, as well as in social media. In 2012, the paper began producing and broadcasting at São Paulo's TV Cultura the newscast TV Folha, aired every Sunday at 8PM. On its first show, on 11 March 2012, the show was seen in 60,000 homes in São Paulo metropolitan area, according to Ibope ratings. Grupo Folha Companies News Folha de S. Paulo: newspaper, with presence on the Web and mobile platforms; TV Folha: online TV news and weekly TV show at TV Cultura, in São Paulo; F5: celebrity and entertainment news website; Folha Internacional: Folha's news content in English and Spanish; Agora São Paulo: popular newspaper; Valor Econômico: Grupo Folha has 50% participation at the leading business newspaper in Brazil, in society with Grupo Globo. Guia Folha: weekly cultural guide from São Paulo city, with special editions for books and movies; revista: weekly feature magazine about; revista Serafina: monthly feature magazine; Revista da Hora: weekly cultural guide included in Agora newspaper; Alô Negócios: classified ads newspaper circulating only in Paraná state; Folhapress: newswire; gathers news and sells pictures, articles, columns, drawings and graphic devices daily, both from the editorial content produced by Folha de S.Paulo, Agora São Paulo and other Grupo Folha companies and from partners; Acervo Folha: Digital archive of Grupo Folha newspaper editions since 1921; Banco de Dados Folha: Folha's database; Books Publifolha: Grupo Folha's book-publishing division, created in 1995; has released more than 1,000 titles and currently has 600 books in print. Publifolha concentrates on the news, tourism, languages, general reference, children's tales and cooking areas. It is currently the leading travel guide publisher in Brazil, thanks mainly to the “Visual Guide” series, which offers information about countries, cities and regions, with travel itineraries and leisure suggestions for tourists. Três Estrelas: book imprint created in 2012 covering the non-fiction field, with books on journalism, communication, history, politics, sociology, economics, philosophy, psychoanalysis, scientific information and