Put in prepositions if needed.

About ten years  ago telephone was the only means ... communication which people could use
 ... their home. ... present computers make our life much more comfortable. Now we can send
messages ... each other ... fax, e-mail or communicate .. the internet. Those who have  the internet. Those who have the internet can communicate not only ... people.
They can get ... information ... any library all over the world
 как я понял надо вместо точек подставить слово