Synergyse offers an interactive and scalable training system for employees covering Gmail, GCal and Drive at launch, with more to come soon, offering access to training directly inside each application. Synergyse pricing starts at $10/year for individuals, is free for students and costs businesses $10/employee/year.
"I'm willing to bet almost everyone using a Google Apps for Business (e.g user@company.com) or Google Apps for Education account (e.g user@school.edu), also has a personal Google account (e.g @gmail.com or @googlemail.com). These tips are beneficial for anyone in businesses or schools running Google Apps, they will help you manage your different accounts by keeping them separated using the Google Chrome browser."