CES 2014 attendees got a real treat when Christopher Lloyd appeared as his "Back to the Future" character Doc Brown, complete with the fabled time-traveling DeLorean. Lloyd was there on behalf of Gibson Guitars, as the company celebrates its 120th birthday.
2 of 12 Yahoo
Yahoo goes for a 'Weekend Update'
Combining the entertainment portion of their keynote with their focus on news efforts, Yahoo also borrowed Keenan Thompson and Cecily Strong from "Saturday Night Live" for a "Weekend Update" live at CES 2014.
3 of 12 CNET/James Martin
Sony was 'Breaking Bad' at CES
Sony CEO Kasuo Hirai asked Sony Pictures Entertainment CEO Michael Lynton and "Breaking Bad" creator Vince Gilligan to talk about how streaming video has changed the face of TV and movie industries during the Sony keynote at CES 2014.
4 of 12 James Martin/CNET
Michael Bay makes a brief appearance
"Transformers" director Michael Bay's appearance at the Samsung keynote was perhaps the most talked-about appearance at CES 2014. When a teleprompter failed, Bay stormed off the stage, leaving Samsung EVP Joe Stinziano to cover for him.
5 of 12 Screenshot by Kent German/CNET
John Legend serenades CES for Yahoo
The Yahoo keynote at CES 2014 was meant to entertain, including an appearance by musician John Legend.
6 of 12 Yahoo
Even Katie Couric is at CES
CEO Marissa Mayer wanted to showcase Yahoo's news efforts, and who better to bring along to CES 2014 than recently hired Katie Couric?
7 of 12 Jason Cipriani
Perry Farrell of Jane's Addiction
Perry Farrell of Jane's Addiction plays the CNET party Tuesday night at CES 2014.
8 of 12 Jason Cipriani
Dave Navarro of Jane's Addiction
Dave Navarro of Jane's Addiction plays the CNET party Tuesday night at CES 2014.
9 of 12 Ty Pendlebury/CNET
50 Cent, guarded by Imperial Storm Troopers, signs autographs at the SMS Audio Booth to promote his "'Sync by 50 Portable Wireless Speaker." (SMS Audio also produces Limited Edition Star Wars headphones.)
10 of 12 Sarah Tew/CNET
Paralympic athlete Blake Leeper was here at CES 2014 doing promotion for SMS Audio.
11 of 12 Amanda Kooser/CNET
Dalek is Massive at CES 2014
The most accessible celebrity at CES 2014? This Dalek, made of Bluetooth components from Massive Audio. The "Doctor Who" character played music while it threatened CES attendees with extermination.