Class 10, Facebook events as an "opt-in" form of collaboration

I have first joined the event (Call for IMMERSION 2015 speakers, exhibits and research (CfP)) from IMMERSIVE EDUCATION facebook page and shared it with my Facebook groups, and the process is shown below with screenshots

Original Post on the Immersive Education page

Opt-in (joined) the upcoming event

Shared the event to Google Glass group and its pending for approval

Shared the event to 3D printing group

Shared the event to wearable computing group