Twitter can be a rich backchannel for discussing ideas and making connections at a professional conference. Or you can just use it for cheap laughs. Guess which one I like?

By the end of Open Networking Summit, I'd been traveling for personal and professional reasons for 12 of the previous 21 days, attending three conferences in three separate cities. That's a lot of PowerPoint slides, rich food, liquor, lack of exercise and sleep deprivation, badly upset by too much coffee. I was getting loopy. And I began abusing Twitter.

Judging by my tweetstream, other people were feeling the same way.

Here are some of my favorites, starting from the airport at home:

And here's what I'm like after all that travel:

https://johnnythehorsepart2.tumblr.com/post/141199639370

Want to know more about SDN? Visit Light Reading's SDN Technology content channel.

But Open Networking Summit wasn't all silly tweets. Mainly, it was about great insights and information about open networking (some of which was delivered by a woman seen here wearing a viking hat, and a man contemplating guzzling syrup). Here's some of the best of what we saw and heard:

— Mitch Wagner, , West Coast Bureau Chief, Light Reading.