[3] 140 Proof began as an app-based network; its name is a reference to the 140-character limit on Twitter.
[5][6] Additionally, the service allows advertisers to run campaigns on blogging platforms like WordPress and Tumblr.
[8] In 2014, the company was granted a patent for targeting users based on persona data.
[11][12] Ads are targeted to specific audiences based on public interest graph data.
[13] Public social activity from the interest graph is the primary data source 140 Proof uses to make its ads more relevant.