Twitter is an online social networking service and microblogging service that enables its users to send and read text-based messages of up to 140 characters, known as "tweets".
Created in March 2006 by Jack Dorsey and launched in July. Over 500 million active users as of 2012 ◦ Over 1.6 billion queries daily
2007 – 1.2 million tweets per year 2008 - 4 million per year By June 2010 – 65 million per day ◦ 750 tweets per second By March 2012 – 340 million tweets per day
As of October 2012, the accounts with the most followers belonged to the following individuals and organizations: Lady Gaga (30 million followers worldwide) Justin Bieber (28.6 million) Katy Perry (27.3 million) Rihanna (26.1 million) Britney Spears (20.8 million) Barack Obama (20.5 million) - highest ranked account representing a politician Taylor Swift (19.2 million) Shakira (18.3 million) - highest ranked account based outside the United States YouTube (17.5 million) - highest account not representing an individual Kim Kardashian (16.2 million)
1. writer’s profile picture2. writer’s Twitter @name3. writer’s User name – e.g. John Smith4. The “recycled” icon shows that the tweet you’re reading is a Retweet5. The name of the person who retweeted this message.6. The little balloon indicates a Google Maps reference in the tweet.7. Image – the tweet contains a picture8. Video – a video is embedded in this tweet9. Reply – the tweet you’re viewing is a reply to an earlier tweet.10. Expand – clicking here expands the sidebar to “drill down” on the current tweet.11. The age of the tweet i.e. how long ago it was posted.12. The #hashtag and is automatically hyper linked.13. This is pretty much a standard hyperlink to an external location.14. Also known as an @mention shows that this tweet is referencing another Twitter user.15. Clicking on the @username expands the sidebar to show a summary profile of the person.
Twitter is on online communication tool Platform for listening to others in new ways
Created in 2003 Microsoft bought it out in 2011 663 million registered users as of September 2011 is a proprietary voice-over-Internet Protocol (VoIP) service Computers free, phones, text messaging- there may be charge. Check with your provider
A free and easy way for teachers to open up their classroom. Meet new people, talk to experts, share ideas and create amazing learning experiences with teachers from around the world.
Free video conferencing for up to 10 people Team collaboration ◦ offers a suite of productivity apps that let you share what’s on your screen, collaborate in Google Docs, view presentations and diagram together. you can also dial the person in by clicking on the “Invite” button and then the “+telephone” link. Calls to the US and Canada are free, and international calling rates are very low.
A particular slide catching your eye?
Clipping is a handy way to collect important slides you want to go back to later.