The topic of doing this or that while on vacation is quite popular among online business people of today, otherwise known as online entrepreneurs. I guess the main reason is that many people find it hard to detach completely during their vacation time and to forget about all forms of work altogether. And, to be honest, I'm somewhat that type of a person too.
Landing page is a page that your visitors see after clicking on a specific link on another site. The purpose of a landing page is to convince the visitor to take a specific kind of action. Usually, it's to buy something or to subscribe to your mailing list.