But your Professional Network need not be limited by them. Research has shown that one can develop mutually beneficial business contacts with people whom we might have met just once and maintain contact maybe couple of times in a year.
These are typically the Weak ties which bear fruit. Maybe not directly but over a period of time. And the best part is for that to happen you don’t need to put much effort.
here is a very interesting post by Sid Savara about his experiments in Networking especially using social Media. a lot of Simple take aways.