how i use social media and networks

facebook => connecting with old friends, social affirmation, distributed communications among connections.
friendfeed => discovery, browsing, leveraging others’ interests, following multiple conversations across multiple subject matters, whether for business or personal use. making sense of chaos with a method and some tools
twitter => instantaneous connections, conversations, discoveries pin-pointed subject matters, the here and now. [...]

facebook, twitter and ambient awareness

is twitter more of an ambient aware network than facebook?