This is a collaboration account between @igr16 and @cs333070
Just below it says 'online'. That shows if its cs333070 or igr16 piloting the account.
igr16 online:yep
cs333070 online:
Written by igr16

More about me.
If I post a comment it will have a tag that says either igr16 or cs333070, depending on who actually posted it.
Not quite sure on projects.