Microsoft divested its stakes in the MSNBC channel in 2005 and in in July 2012.
The general news site was rebranded as NBCNews.com, and a new was created as the online home of the cable channel.
With little financial news to cover, CNBC and CNBC Europe ran MSNBC for many hours each day following the attacks.
(The news website remained a separate joint venture between Microsoft and NBC for another seven years.) NBC later exercised its option to purchase Microsoft's remaining 18 percent interest in MSNBC.
During the day, rolling news coverage continued with The Contributors, a show that featured Ann Coulter and Laura Ingraham, as well as interactive programming coordinated by Applegate, John Gibson, and John Seigenthaler.
Stories were generally longer and more detailed than the stories CNN was running.
Amazon failed to secure enough servers to handle Prime Day traffic surge, causing it to launch a scaled-down backup site and temporarily kill off all international traffic within 15 minutes of the event, according to internal documents seen by CNBC.
MSNBC is an American news cable and satellite television network that provides news coverage and political commentary from NBC News on current events.
The "N" in the logo was changed from red to black in 2002.