Get the Colleagues updates from the MySite in Sharepoint 2010

HI All,

In My Project , we have a requirement like, We have one intranet portal and MySite is configured for each user.

The user will add some colleagues in his MySite.If Colleagues updates information @their MySite then that updates has to be show in my Intranet Portal based on the logged in User

How this is possible programmatically.Please provide me the guidance.

Thanks in Advance,

Mahesh.

Mahesh