Story highlights Alisyn Camerota: I joined Twitter looking to connect with people, do good, share my messages and build community

There is valuable dialogue there, but now that the reality of being on Twitter has become much darker, I'm leaving, Camerota writes

Alisyn Camerota is a CNN anchor and co-host on CNN's morning show "New Day." The views expressed in this commentary are solely those of the author.

(CNN) Dear Twitter (attn: trolls),

Alisyn Camerota

It's over. I'm breaking up with you.

I know, it's sad. We've been together a long time. Remember my first tweet in May 2009? "Happy Mother's Day!" My God, listen to how hopeful I sounded.

Back then, I believed your promises -- that you'd help me connect with people, that you'd be an agent for good in the world, that you'd get my messages out, that you'd help build a community. Back then, you'd surprise me with flower emojis and thoughtful comments. Back then, it was still thrilling to check in with you every day to see how many new followers you'd brought me. Those were the days.

But something's happened to you. You're a shadow of your former self, the one I was first attracted to. It's no fun to be with you anymore. You've become mean and verbally abusive. In fact, you gross me out. You're a cesspool of spleen-venting from people who think it's acceptable to insult other people in public and anonymously.

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