1） Of course no,Internet can only find a virtual love which can fool people who is willing to fall in.True love is something forever,sacrified.
2) Of course,if there is a choice,a girl should marry a older guy.Because as a nature of girl,she always looking for a protection from the other half.
3) No,and yes.advertisement only let you know what is available,what function/performance can you get,finally,you yourself should consider the priority.
4) Advertisement can let people easily update on latest technology available,but at the same time it make people confuse on various choice and easily purchase thing that not actually require by them.