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FEATURE30 May 2013

How stuff spreads

Gangnam Style vs. Harlem Shake: An anatomy of two memes, by Francesco D’Orazio and Jessica Owens of Face.

Shape – shares per video, over lifetime of the meme
Lifespan – consecutive days where people shared the meme 500+ times
Popularity – unique users sharing the meme over its lifetime
Shareability – total Twitter shares per each million of YouTube views
Globality – How international was the meme?
Amplification – How influential were the people who shared the meme?
Variation – How much did attention to the meme vary day-by-day?
Diffusion network – Hubs and nationalities which drove the spread of the meme

We used Face’s Pulsar TRAC content tracking technology to track any social media conversation containing a specific URL and analyse who is talking about it, gateways and hubs, topics of discussion, geography of the discussion and key channels.

So what did we find out?

Memes have different shapes. Gangnam Style showed a top-down or ‘vertical’ pattern, with the original video generating ten times as many YouTube views and shares as any of its variations. Conversely Harlem Shake was more bottom-up or ‘horizontal’ in its dynamic, with the original seed sparking thousands of variations, some of which did better than the original in terms of views and shares.

The shape of a meme affects its lifetime. We defined a meme as ‘live’ (popular and actively shared) as the time when it was getting at least 500+ URL shares on Twitter per day. Whereas Gangnam Style lived for 172 consecutive days, Harlem Shake only survived for 29.

Why did Gangnam, the top-down meme, live over five times longer than the bottom-up Harlem Shake? A possible clue may come from the three-part process of social movement formation which Charles Duhigg describes in his book “The Power of Habits”:

“A movement starts because of the social habits of friendship and the strong ties between close acquaintances.
It grows because of the habits of a community, and the weak ties that hold neighbourhoods and clans together.
And it endures because a movement’s leader gives participants new habits that create a fresh sense of identity and a feeling of ownership”

Whereas Gangnam Style offered a strong top-down narrative with an easily identifiable leader in Psy, Harlem Shake had a more distributed narrative with no real leadership and guidance outside of the format. Consequently it didn’t succeed in creating a ‘habit’ that would outlive the interest from the local and community networks who where the real engine behind this meme.

Regardless of their shape, memes spread in waves. Both memes showed a very spikey distribution, with attention to the video fluctuating dramatically day-by-day. We quantified this variation by first calculating the standard deviation of the daily sharing rate (i.e. how much sharing levels varied day by day), then dividing by the mean to give us the coefficient of variation.

“It’s almost a risk to be a social media influencer – you can activate a large audience very quickly, but that attention can be burnt through equally fast”

Typically all the videos saw a lot of variation in the rate they were shared, with Gangnam Style being more consistent ( 196% variation) then Harlem Shake ( 338% variation). But three videos stood out for showing much more variability: YouTube Gangnam Rewind ( 807%), Britney Spears learning Gangnam on the Ellen Show ( 574%) and basketball team Miami Heat’s Harlem Shake ( 517%). These videos each saw a massive launch spike – e.g. Britney with 15,792 tweets carrying the link on 11 September 2012, and Miami Heat’s Harlem Shake with 63,927 on 2 March 2013.

How did they achieve this? Each video was led by an individual or organisation with massive reach – YouTube and Britney Spears both have 26m Twitter followers, and Miami Heat has a strong community of 1.2m. This means they were able to activate a big existing audience to get the video out very quickly on day one – hence the big spike in sharing. But within a couple of days, that audience was saturated – everyone who’d be interested had already seen the video. The Britney Spears variation of Gangnam Style, linked to The Ellen Show, was only newsworthy within a brief timeframe. Miami Heat’s take on the Harlem shake was particularly relevant to the basketball community and expired once the “local” reach was somewhat exhausted. So sharing dropped off precipitously – hence the big variation score.

It’s almost a risk to be a social media influencer – you can activate a large audience very quickly, but that attention can be burnt through equally fast. By comparison, the Gangnam Original video had one of the lowest variation scores ( 114%). Psy was new to Western and Latin American audiences, so the video travelled more slowly through social networks – but this helped attention sustain for fully six months.

Small communities drive virality. The relationship between communities and viral spread is reinforced by the fairly high density and modularity of both the Gangnam Style and Harlem Shakes networks. This highlights the key role of small communities in spreading the meme. Within the Gangnam Style network, 14% of the people sharing the link passed it on or grabbed it from someone, while within the Harlem Shake network the connected sharers increase to 17% of the overall pool of users. These figures are remarkable considering the globally dispersed diffusion of the memes.

By contrast, influencers only accounted for a small percentage of the total buzz. Out of 767,000 unique mentioners of the Gangnam Style videos, only 64 generated more than 100 retweets and only eight more than 1,000. Out of 173,000 unique mentioners of the Harlem Shake videos, only nine generated more than 100 retweets. That means that for Gangnam Style less than 5% of the total shares were directly connected to the influencers, and for Harlem Shake only 1%.

Both memes transcended physical geography, even though both were born out of specific geographic areas and subcultures. We measured the memes’ globality (% of shares coming from countries other than the top one, usually the US). Both memes were very international, but Gangnam Style turned out to be more global than Harlem Shake ( 78% vs. 63%) This makes intuitive sense – Gangnam Style started in Korea and spread to win massive popularity across North America, Latin America and Europe. Most viewers didn’t understand the lyrics, but the strong visual character meant this didn’t matter. By contrast, some of the Harlem Shake videos were much more geographically and culturally specific – particularly the Miami Heat basketball Harlem Shake, which got fully half ( 49%) of its sharing from within the US.

This is also clearly shown in the network analysis, where the number of retweets spanning from the central nodes of the Harlem Shake meme network confirms this US-centric pattern of engagement. Conversely the central nodes in the Gangnam Style meme network are connected to a very diverse range of countries.

Popularity doesn’t mean shareability, and shareability doesn’t imply popularity. While Harlem Shake turned out to be three-times more shareable then Gangnam Style, it still ended up being four-and-a-half times less popular in terms of the number of unique users sharing it.

How did this happen? This is certainly connected to the higher mainstream coverage of Gangnam Style which lowered its currency in social media – there’s little value in sharing something people are seeing all over the TV. It’s also connected to the greater iteration and ‘localisation’ of the Harlem Shake meme. This made its videos more relevant to hundreds of small local communities across the globe – so the Norwegian Army video was heavily shared in Norway, the Miami Heat video in the US and so on. Essentially Harlem Shake had currency but didn’t have scale. Gangnam Style had less currency but had massive scale.

It’s a difficult balance for a meme to strike. Community drives shareability but doesn’t give you scale (popularity). Top-down influence drives scale but kills shareability. While shareability is a key requisite of virality, scale is what enables and sustains exponential growth.

Memes are like currencies: you need to balance accessibility (or ‘money supply’) and inflation. Gangnam Style became globally accessible through top-down mainstream sources, but this gave it high social inflation so it wasn’t valuable to share. However, scale sustained its long-term growth. Harlem Shake was not as easily accessible because it was driven more by small communities, but for the same reason, being less easily accessible, it remained highly valuable. Lack of scale was what made Harlem Shake’s growth short-term and eventually killed it.

Click here for the full Gangnam Style vs. Harlem Shake infographic from which the images in this piece were taken

Francesco D’Orazio is chief innovation officer and Jessica Owens is social media research manager at Face

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