You can simply get them to do something that they are really invested in, then simply ask them nicely to do something. If that doesn't work, just make them stare at something for a little while and ask them to do something.
can you see if someone is registered at ahotel without them knowing and without them calling the hotel
It would be possible to quit claim someone on the TITLE without them knowing. You would not have a way to make them liable for the note without their knowledge.
There is no way of knowing if someone visits your Twitter.
of course
but why would you want to
listening to someone's conversation without them knowing
Yes, you can probably hate someone without knowing why. You might not be able to define the reason but you might have strong feelings regarding how this person acts or even looks.
shiznit licker clock smuccer
You should not kiss someone without them knowing or without them wanting it. Plain and simple.
Trying to copy someone without them knowing
Yes
Yes,.some pregnancies can be hidden.