screenshot portable contacts

Portable Contacts (spec) – eine Art offene Kontakte-Abfrageschicht von Plaxo CPA Joseph Smarr und Factoryjoe Chris Messina.

designed to make it easier for developers to give their users a secure way to access the address books and friends lists they have built up all over the web. Specifically, it seeks to create a common access pattern and contact schema that any site can provide, well-specified authentication and access rules, standard libraries that can work with any site, and absolutely minimal complexity, with the lightest possible toolchain requirements for developers.

siehe notizblog 1 und 2