Nowadays, a home telephone is not availble because of avoiding troublsome deceiting calls or disgusting commercial calls.
(internet ads are increasing and chasing after research!)
How many people will tell their own mobile number so easily? It is used for an approval of Id now.
Then how do we communicate ? Do we inform ourselves in the internet social media ? Are they really satisfied in those media?
There are various phases or faces to be used by expressing daily lives. It may possibly used for the target of other business opponent,
or learning media, big data etc. To make it useful for own each business, that's it.
It is up to our own decision and utility how to do and what to do. At least harassment
standards must be defended for our free activities.
Old fashioned card or envelope (uninteresting, formal, not speedy tool ), I remembered as simple communication style if the other person did not change the address.
We do not like to be known by others directly but express ourselves in a diferent way ....
business decision depends on fee,the economy , all is going around now.