X rolls out audio and video calling to some users, with options to "select who you're comfortable using it with", or disable the feature altogether (Stephanie Barnes/Engadget)

Stephanie Barnes / Engadget:

X rolls out audio and video calling to some users, with options to “select who you’re comfortable using it with”, or disable the feature altogether  —  Just call them or not.  —  It’s finally happening: X (formerly known as Twitter) has begun rolling out yet another feature nobody asked for.