+23% to open rate, +70% to CTR (study)

In the past, United Capital was only sending their email subscribers blocks of curated content.
And their newsletter’s open rate, CTR were not very inspiring.

Once they applied this change their newsletter’s open rate increased by +23% and CTR by +70%.

What was the change?
They decided to add a block of their own original content.

Where did they get their original content?
They realized that every person in their company is an expert in his own area.

So they just decided to gather everybody once a month to brainstorm on content.
Then writers put together the uncovered insights into their new articles.

Source: www.marketingsherpa.com/article/case-study/integrating-original-blog-content