You haven't had the time to check your SUPERCOMPUTER lately.
As much as you'd like to keep in more frequent touch with your friends, you simply cannot waste hours on aimless chatting. They are always free to contact you, of course, on the off-chance that there is something of critical import going on.
If you were to get a response from your MULTIVERSAL COMMUNICATOR, you would also respond post-haste — but as you've previously mentioned, that has not happened so far.