Alva Review-Courier -

Twitter CEO Jack Dorsey is asking for help improving the openness and civility of conversation on Twitter, saying the company failed to prevent misinformation, echo chambers and abuse of its global messaging service.

In a series of tweets , Dorsey said Twitter was committing "to help increase the collective health, openness, and civility of public conversation" and needs to re-engineer the service to encourage more healthy debate. The company is now soliciting proposals for measuring the healthiness of conversation on the service in order to improve it.

"We aren't proud of how people have t...