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"September 27, 2014 Projecting your iPad on a large screen is great for demonstrations, simulations, explanations, and showing examples. There are several ways this can be done in the classroom.  VGA or HDMI Adapter Connect directly from your device to a projector's video cable. Click to find out which of the four possible adapters is the one you need. Document Camera Put your device under a camera connected to a projector. Glare may be a problem. Your audience can see your fingers.. Search Amazon for document cameras. Apple TV Connect an Apple TV to your projector and use your device's AirPlay feature to mirror the screen. Apple TV is available from Amazon.com. AirServer Install software on your projector-connected computer and use device's AirPlay feature to mirror the screen. Get AirServer at airserver.com. Annotate.net Install software on your projector-connected computer and use device's AirPlay feature to mirror the screen. Download the Annotate Mirror Client.  Mirroring360 Install software on your projector-connected computer and use device's AirPlay feature to mirror the screen. Download Mirroring360. Reflector Install software on your projector-connected computer and use device's AirPlay feature to mirror the screen. Get Reflector at reflectorapp.com. X-Mirage Install software on your projector-connected computer and use device's AirPlay feature to mirror the screen. Get X-Mirage. iTools Install software on your projector-connected computer and attach device using its USB cable and choose Live Desktop. Macs can wirelessly mirror to iTools. It's beta software with no documentation and can be buggy. English version currently not available. OS X 10.10 Yosemite Update to OS X Yosemite on your projector-connected Mac and attach device using its Lightning cable. Open QuckTime & choose iPad as the camera source.  If you don't mind keeping your iPad in one spot, then a VGA adapter (for 30-pin Dock connector or for the new Lightning

"Subscribers should be cautious about using free wireless hotspots. In particular, you should avoid sending sensitive or personal information over these untrusted networks. Free wi-fi hotspots can be found in coffee shops and public establishments, offering convenient internet access over a wireless connection. You can connect to these hotspots using devices such as mobile phones or laptops with wireless capabilities. However, it is important to be aware that most of these hotspots are unsecured, meaning that all the information you send across them is vulnerable."

"Last week I was in a bit of a bind: My mobile broadband key from 3 wasn't getting reception, while my Optus-powered Samsung Galaxy S had enough reception to get me online, but I needed to use the laptop. Then I remembered that the Galaxy S lets you use the phone's 3G connection as a mobile hotspot and I thought to myself, "All phones should have this feature!"

Consider that many students have phones and that these will soon become mobile hotspots. Only a big deal for schools and depts that spend a fortune to shackle and cripple what students can and probably should be doing.

"Whether you're clicking connect on Starbucks' Wi-Fi or some other unsecured, public Wi-Fi network, here's how to stay safe and secure while surfing a public hotspot."

Nice bit of advice, how to protect yourself at a free wi-fi spot.

"The AirPlus G Pocket Router is perfect for the travelling worker. It offers a router and wireless client so you can work virtually anywhere, anytime. .. a portable and convenient wireless solution for the traveling business person delivering 802.11g wireless connectivity with a maximum wireless signal rate of up to 54Mbps*. Use it in conference rooms, hotel rooms, or even at hotspots."

Nice hardware tool for the teacher or tourist with a wireless computer or iPad.

tips on protecting your online security when you are using public wi-fi hotspots.

"Give photos new life with sound, voice, video, social, and other fun links. A thinglink is an interactive hotspot you define inside an image, from a thing (an object, a person, or a place) to a link (a shop, a blog post, or anywhere you like)."