Items that sell quickly & in great quantity are said to "go like" these
hotcakes
Groupon cofounder Andrew Mason explained, "It's short for" these 2 words
Group and Coupon
This phrase of protest coined by Alicia Garza has become a hashtag & a movement
Black Lives Matter
It was the capital of Prussia before it was the capital of Germany
Berlin
This game from Rovio has been downloaded more than 2 billion times
Angry Birds
It's the distinctive column of smoke & debris seen over a nuclear explosion
A Mushroom Cloud
This web-based e-mail service got its name by adding some vowels to "HTML"
Hotmail
In 2014 Misty Copeland made history as the first African-American ballerina to dance the role of Clara in American Ballet Theatre's production of this ballet, a holiday favorite
The Nutcracker
Appropriately, a house where this theologian once lived in Wittenberg is now a Reformation museum
Martin Luther
This TV series was based on Chris Rock's childhood
Everybody Hates Chris
This expression of contentment can be followed with "at high tide"
Happy as a clam at high tide
A vendor for this Neil Clark Warren website suggested its name, reflecting its users' search online for compatibility
eHarmony
Beginning in 1867 school was in session for what is now Morehouse College & this university in Washington, D.C.
Howard University
Oak, beech & fir trees are in this forest region of southwestern Germany that borders Basel
The Black Forest
In vaudeville, future "I Love Lucy" co-star William Frawley helped popularize the song about this sad "baby"
My Melancholy Baby
A condiment is included in this 3-word phrase meaning "to meet or succeed the standard"
To cut the mustard
It got its name by removing the first 3 letters from the name of the horse that Bellerophon tried to fly to heaven
Asus
Porter on the train cars named for him was a good middle-class job, though you got called "George" whatever your name was
(George) Pullman
An industrial region of Germany is named for this 146-mile "r"iver, a tributary of the Rhine
the Ruhr
The '80s group New Order rose from the ashes of this British post-punk band
Joy Division
Boxing & wrestling are risk factors for this condition, though it can also be caused by high piercings
Cauliflower ear
The "PE" at the end of this service around since 2003 stands for peer-to-peer
Skype
2013 saw the first Congress with 2 African-American senators when Mo Cowan of Mass. served with Tim Scott of this state
South Carolina
Destroyed in a terrifying 1945 air raid, this city's best-known church was rebuilt & reopened 60 years later
Dresden
Javier Bardem starred in the movie adaptation of this Gabriel Garcia Marquez novel
Love in the Times of Cholera