We certainly live in the digital era. You can now watch the U.S. Presidential Inauguration from Facebook or your iPhone.

According to Wired,  iPhone App Store now offers Ustream, a free program that allows users to view live video streams including CNN.

Facebook has partnered with CNN so you can watch the Inauguration while also following  along with comments from Facebook friends in the sidebar. Read more from TechCrunch to see how this works.

And what if you missed all the pomp and circumstance? You can catch replays on a number of media outlet websites. Check out a detailed guide at TechCrunch’s Guide to the Inauguration.