I know, I know . . . Call me crazy. But, I'm glad to say that using secret and private Communities here on the 3DEXPERIENCE Platform is a giant leap towards much easier communication, and ditching email threads. IFWE Loops are the solution for this! This videos explains why we should use IFWE Loops and how to get started if you've received an invite to one! 

https://my.solidworks.com/myreseller/digitaldemo/56ea5364-a60d-4c41-9a64-4c52f70d3f58

IFWE Engage on the Platform in one Community, we can all reach our goals faster. 
IFWE IFWEengage Community