2. Viewed by others Online Communication Blogs Microblogs Wiki Podcast Chatroom Instant Message Virtual Learning Environment (VLE) Types message on client Saves message on server

3. Behaviour online Netiquette How to behave CAPs = Shouting Reply with @name Respect privacy (don’t reveal personal details) Safety Profiles – don’t reveal too much Scan downloads (trojans, viruses) Beware of malware

4. VOIP (Voice over Internet Protocol) Telephony over the internet Disadvantages Can drop connection or packets (low quality) Security concerns Advantages Low cost (internet only) Connection anywhere there is internet Can include video and file sharing facility

5. Ubiquitous computing The internet of ‘things’ Computers in everyday objects – Cars – Fridges – Home automation – Tins of baked beans RFID tags in objects and products The intelligent fridge knows what is still fresh Your health monitor tells it you need vitamins Your car receives a note from the fridge and plans your route home via shops What else could happen if computers are in EVERY device? You car detects you are too close to the car in front and breaks a little You get hit by a truck, your health monitoring watch calls an ambulance As you get close to home your car calls your home and turns on the heating As you get to the door it detects your personal RFID chip and unlocks it for you.