3. Twitter
Twitter is an online social networking service
and micro-blogging service that enables its users
to send and read text-based messages.
4. YouTube
YouTube is a video-sharing website, users can
upload, view and share videos
5. GoogleDocs (Google Drive)
Google Docs is a free web-based word
processor, spreadsheet, presentation, form and
data storage service offered by Google.
6. Skype
Skype is a software application that allows users
to make voice calls over the internet using there
web camera.