Dive Brief: 

• This week, Pinterest introduced a new discovery feature that could prove valuable to advertisers in the future. 
• Previously, the social platform had pins sorted by broad categories like "Outdoors," but users can now find pins surrounding specific interests within those categories, like "fly fishing" or "ultralight backpacking." 
• Though Pinterest has said there are no immediate plans to sell advertising against the specific interests, the possibilities to target users have exponentially increased. 

Dive Insight: 

Pinterest is currently building up its advertising business, so it only makes sense that the interest discovery feature will eventually make its way into the offerings. Either way, Pinterest will now be gathering much more specific and targeted information about its users — something that will benefit advertising in the long run.