This morning, everyone believed
Instead the bell was rung by a 9-year-old girl with a lemonade stand whose proceeds are used to fight slavery, Vivienne Harr. She was joined by Star Trek actor Patrick Stewart and a Boston police officer.
That's because Twitter's executives wanted to show appreciation for the social network's users.
Here's a picture from NYSE:
Here they are ringing the bell:
Here's a Vine of the trio in the act: