Wikipedia is a free, web-based, collaborative, multilingual encyclopedia. Etymologically, Wikipedia means quick culture, from the Hawaiian wiki (quick) plus the suffix from Greek -pedia (culture). The CIR group is present in Wikipedia.

LinkedIn is a social networking service used mainly for professional networking. The CIR group is on Linkedin.

SlideShare is a site which offers users the ability to upload and share their presentations with other users.  On SlideShare you can consult the latest presentations of the results of the CIR group.

Flickr is a multilingual website which enables members to share photos and videos with anyone who has  Internet access, in a web 2.0 environment. CIR and Sorgenia are present on Flickr.

Twitter is a social networking and microblogging service which gives users a personal page that can be updated with text messages of a maximum length of 140 characters. The group is present on Twitter with CIR and Sorgenia’s EcoPensiero blog.

Facebook is a free social networking site, owned by Facebook, Inc. The The name of the service stems from the colloquial name for the book given to students and faculty personnel at the start of the academic year by some US colleges and prep schools with the intention of helping students to get to know people on campus. The group is present on Facebook with the Sorgenia blog EcoPensiero.

YouTube is a video sharing website which belongs to Google Inc. and is the third most visited website in the world after Google and Facebook. The group is present on YouTube with the channels dedicated to both CIR and Sorgenia.