A lot of people still don’t understand why someone would use Twitter.

Here’s a good example. We’re hoping it’s a little clearer than @Oprah’s attempt last week.

Jay Paterno sent out this tweet a couple of hours ago:

So now what will happen is that Jay Paterno will get responses from people that look like this:

Anyone can send him a response like that… it’s an easy way for him to interact with a large number of people.

Now here’s what I want to know: will @JayPaterno’s friend, @BarackObama, start using Twitter this way too? That would be pretty sweet…