Clarify contribution status

README.md

@@ -14,8 +14,8 @@ We believe that writing software which manipulates data should be a solved probl
 
 ## Contribute
 
-We welcome any contribution along these objectives. Please contact alex@datacentric.group, browse and open Github tickets, send pull requests, etc.
+datacentric.group is currently in a community building phase. We are looking for people who share similar values to help us shape up our mission and vision. If you are interested:
 
-You can join our mailing list at:
-
-https://datacentric.group/mailman/listinfo/discuss_datacentric.group
+* Join our mailing list at https://datacentric.group/mailman/listinfo/discuss_datacentric.group
+* Create/browse Github Issues
+* Send us Pull Requests