Q 01/05

Which music video became the first on YouTube to reach one billion views, in December 2012?

A) "Gangnam Style"

B) "Party Rock Anthem"

C) "Baby"

D) "Call Me Maybe"

Answer · why

A) "Gangnam Style"

Its view count later overflowed YouTube's 32-bit counter, forcing the site to upgrade to 64-bit integers.

Q 02/05

The Ice Bucket Challenge that flooded social media in summer 2014 raised money to fight which disease?

A) Alzheimer's disease

B) ALS

C) Breast cancer

D) Parkinson's disease

Answer · why

B) ALS

The challenge raised more than $115 million worldwide in 2014 alone.

Q 03/05

The Harlem Shake videos of February 2013 were all set to a track by which producer?

A) Diplo

B) Avicii

C) Baauer

D) Skrillex

Answer · why

C) Baauer

The craze pushed Billboard to start counting YouTube views in the Hot 100, and the song went straight to number one.

Q 04/05

In February 2015 the internet split over the colours of "the dress". What colours was it really?

A) Purple and grey

B) White and gold

C) Navy and silver

D) Black and blue

Answer · why

D) Black and blue

The retailer, Roman Originals, cashed in by making a one-off white and gold version for charity.

Q 05/05

Pokémon Go sent millions of players into the streets in July 2016. Which company developed it?

A) Niantic

B) Game Freak

C) Nintendo

D) Rovio

Answer · why

A) Niantic

Niantic began as an internal Google startup and previously built the AR game Ingress.