Monday kicks off Apple’s much hyped 2011 Worldwide Developers Conference in San Francisco. For a while now, everyone has been speculating as to what will be revealed at the conference. Apple has made it clear that the focus will be on software, quelling rumors of huge news regarding the new iPhone.

When Apple initially announced the conference, they put the focus on their operating systems:

At this year’s conference we are going to unveil the future of iOS and Mac OS. If you are an iOS or Mac OS X software developer, this is the event that you do not want to miss.

But the most speculation has surrounded the iCloud, Apple’s upcoming cloud services launch. Everyone began to speculate when filing revealed that they company had bought the iCloud.com domain name. Just a few days ago, Apple made it official: the iCloud would be a big part of the WWDC 2011. They also confirmed Lion OS X and iOS 5:

At the keynote, Apple will unveil its next generation software – Lion, the eighth major release of Mac OS X; iOS 5, the next version of Apple’s advanced mobile operating system which powers the iPad, iPhone and iPod touch; and iCloud, Apple’s upcoming cloud services offering.

Apple Insider has photos of the WWDC banners, further confirming the agenda:

But what else will be revealed in the Keynote, scheduled for 1 pm EST on Monday? Steve Jobs will be giving the address, we know that. What could he unveil? New MacBook Air? New Voice features? iPhone details?

Well, the folks over at Krazybig have developed a way for you to play along at home: WWDC 2011 Keynote Bingo.

As Steve announces all the cool new stuff like iCloud movies and wireless sync, get 5 in a row for Bingo!

We’re not sure exactly what Mr. Jobs will say, but we can be sure that there will be a lot to talk about on Monday afternoon.