Knowledge worker productiviy 2.0: dream or nightmare

Andrea Back asks this questions, Jochen Robes provides his views: fast access to information, possibility to create networks, search for experience and answers. But at the end of the day, problem solving has not changed.
Challenges are to cope with the fast change, setting priorities, switching between different networks and avoiding a "mental overload".
Old habites die hard, so it is a individual experience to adopt permanently the personal style to new circumstances. One can not circumvent to make an evaluation of new technology for use: every situation is different.