The network effects are too strong. Even if you leave, it is likely some useful communication is still using these channels. For example, the summer camp my k

The network effects are too strong. Even if you leave, it is likely some useful communication is still using these channels. For example, the summer camp my kids are attending are using social media this year to share photos from camp; where as prior years they had actually used their own site. I am sure direct costs played into some of the decisions. So I am more likely to use social media site this week than the rest of the year combined.