Personal effectiveness basics: steps you can take to keep your concentration and accomplish everything faster.

One tidbit I liked:

Creating lists can be a double-edged sword. Lists can certainly help you keep track of and prioritize tasks, but if a lack of focus is due to feeling overwhelmed with the amount of work that needs to be accomplished, then creating a long list of tasks may make things worse

6 Tips to Improve Your Focus at Work and Get Everything Done Faster