Notification spam ruins social networks, diluting the real human interaction. Desperate to gain an audience, users pay services to rapidly follow and unfollow tons of people in hopes that some will follow them back. The services can either automate this process or provide tools for users to generate this spam themselves, Earlier this month, a TechCrunch investigation<\/a> found over two dozen follow-spam companies were paying Instagram to run ads for them. Instagram banned all the services in response an vowed to hunt down similar ones more aggressively.<\/p>\n