3M, through its 3M New Ventures and 3M Electro & Communications Business, has invested in txtr GmbH, an innovative company in eReading technology based in Berlin, Germany. Terms of the transaction were not disclosed. eReading business opportunities are growing in importance for 3M. People’s lives are becoming more centered every day on being connected at home, in the office or on the move. They expect to have mobile access to documents and books wherever they are. 3M has identified many i...