A brand can experience up to a 50 percent increase in engagement when they use a hashtag. For some networks, like Instagram, posts with upwards of 11 hashtags experience the highest number of interactions. Though it’s important not to go hog-wild with your hashtags on some other platforms—more than two hashtags on a tweet can actually decrease engagement. And on Facebook, posts without hashtags actually outperform those with them. Ready for more hashtag wisdom? Check out these tips for a successful hashtag campaign.