TODAY's Takeaway: Remembering Mandela, Twitter's future 

Al spots the best Christmas sweater ever, TODAY remembers Nelson Mandela and Dick Costolo talks Twitter.

1. “The world remembers Nelson Mandela, a man who rose above hardship to free a country — and changed the course of history," Matt said at the top of this morning’s broadcast.

TODAY anchors, guests and viewers expressed their condolences for the anti-apartheid activist throughout the morning.

“Of all the people I've interviewed, I must say, he had a lingering effect on me,” Tom Brokaw said. “I knew I was in the presence of a great man, and it wasn't just the moment.”

2. "Authenticity is absolutely the key to a great tweet," Dick Costolo told Matt.

The Twitter CEO sat down for his first interview since his company (very successfully) went public. See what he had to say:

3. Do you know what to get the techie in your life this holiday season? Katie Linendoll shared her favorite gifts this year, from speakers to chargers to — er — Twinkie makers.

4. Al lost it on the plaza this morning when he spotted a TODAY fan wearing quite possibly the best Christmas sweater ever created — both coming and going!

5. Did you watch “The Sound of Music Live!” Thursday night? So did the folks at DiGiorno Pizza.

And that’s TODAY’s Takeaway!