Where you go to hang out with someone, but they have a super-long phone call from a super-important person, and so they are unable to end the conversation and give their undivided attention to you. If you know the person well enough and are therefore fairly familiar/comfy with their assorted business/family/personal matters, however, this situation can sometimes not be all that bad a thing, since speaking and acting involve two separate and unrelated parts of the brain and are therefore completely different thought-processes, and so you and your friend can still hold hands, cuddle, exchange massages, relax in bed, and even have sex, all while the person is still maintaining his unbroken listening and yackety-yacking into the handset (it helps if he wears a little earpiece/boom-mike headset-attachment that plugs into the phone, since that way he does not have to clutch the phone to his ear with his shoulder, and so he can have both hands/arms completely free to give you whatever physical attention that you two wish to engage in during the visit.

The safeguarding of Earth and other worlds from biological cross-contamination (i.e. billionaires with too much time on their hands).

Also known as “planetary protection.” Planetary protection / quarantine “reflects both the unknown nature of the space environment and the desire of the scientific community to preserve the pristine nature of celestial bodies until they can be studied in detail.”

There are two types of interplanetary contamination. Forward contamination is the transfer of viable organisms from Earth to another celestial body. Back contamination is the transfer of extraterrestrial organisms, if such exist, back to the Earth's biosphere.