Did you know that you can:

Popup a new record by pressing
Ctrl+Shft+D for a document, or Ctrl+Shft+E for an email …

Tag one or all records on a list with
Shft+T  to tag one record an Ctrl+T to tag all records.

View and print the attached page of short cut keys and keep it close.
Before you know it these short cut key combinations will add extra minutes to your day.
Shortcut Keys for Time Matters