Video format generating +80% FB engagement

Buffer ran an interesting study and found out – what type of video:
1. Resulted in 30-35% higher video views.
2. Resulted in an 80-100% increase in engagement.
3. Costs 7.5%-33% less.

So, what is it?

It’s a square video (1:1)…

1. Square videos resulted in 30-35% higher video views and an 80-100% increase in engagement.
2. It costs 7.5% less to get someone to engage with square videos on Facebook.
3. It costs 33% less to get someone to engage with square videos on Instagram.