WSJ free feature, Clinging to the Rolodex: “More than 20 years after the digital revolution that forecasted the paperless office, the “rotary card file” — best known by the market-leading brand name, Rolodex — continues to turn. As millions of social-network users display their connectedness on their Facebook pages, a surprisingly robust group of people maintain their networks on small white cards. Most of these devotees also rely on BlackBerrys and other computer-based address books.”