Updated DevExpWG (markdown)
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 ## Responsibilities and Activities
 * Identify the barriers for newcomers and remove them to make Go succeed as a mainstream programming language.
 Revamp the existing docs and tools.
-* At each release cycle, review new standard library APIs to give feedback about usability, self-explanation and documentation. 
+* Systematically collect feedback from the Go users to improve friction points in standard library, tools, docs, language and the ecosystem tools. The group may run UX studies.
+* Help identifying the critical missing libraries/tools from the ecosystem.
+* At each release cycle, review new standard library APIs to give feedback about usability, self-explanation and documentation.
 * Participate in user-facing Go proposals to give usability feedback.
 * Encourage readable and idiomatic APIs. Be the voice of best practices in API design.
 * Contribute with technical writing on the Go blog to fill the gaps in communication.