In Ripplex, you can link with friends through Skype、 twitter and mixi! You can also import contact information like email addresses, phone numbers. You can enter additional information (SNS IDs, Chat/IM IDs, etc.) and use it as a convenient address book for /all/ your contact information. In the near future, we will add support for more services for Automatic import, Links with friends and interactive interfaces for information like presence/messages/updates.