Google calendar is a very well designed free calendar that Google offers. You can use this powerful tool for people in the work place. Google calendar has some cool features like calendar sharing so others can see what you are doing. Reminders which can be text to your phone, e-mailed to you, or a pop-up that will show up on your computer. You can send invitations to guests of an event. If you have an Gmail Account it will automatically recognizes when you get an invite from an other person Via e-mail. These Powerful tools can benefit your business as will as you daily life.