Microsoft Office 2010 introduces web based versions of the ubiquitous office suite collectively known as the Office Web Apps. Being web based, they offer limited functionality when compared with their desktop application counterparts. Office Web Apps comprise:
As they are a hosted solution (all software and date is stored in the “cloud”), you don’t need to install any software on your computer. This means that as long as you have a web browser and an internet connection, you can view and edit Office documents.
That goes for PowerPoint presentations, too.
To give you an idea of what functionality is available in the PowerPoint Web App, here is the ribbon found in that application:
As you can see, compared with Office PowerPoint 2010, the ribbon provides a very limited feature set. The most noticeable ommission is the ability to add transitions to your slides.
However, extra tabs do appear in the ribbon when you insert objects that require their own contextual tabs to modify them. One such tab is the SmartArts Tool tab. When you insert an item of SmartArt, you will see the following SmartArt Tools contextual tab appear in the ribbon:
Similarly, when you insert a picture into one of your slides, the Picture Tools tab appears in the ribbon: