Mashable write up of our Twitter article: Alan Cann, Jo Badge, Stuart Johnson, Alex Moseley. Twittering the student experience. ALT-N, Vol. 17, October 2009. http://newsletter.alt.ac.uk/xrctg5ovlfkimsphpsy77s
Free-OCR.com is a free online OCR (Optical Character Recognition) tool. You can use this to perform OCR on any image you supply. This service is free, no registration necessary. We also do not need your email address. Just upload your image files. Free-OCR takes either PDF, JPG, GIF, TIFF or BMP format. The only restriction is that the images must not be larger than 2MB, no wider or higher than 5000 pixels and there is a limit of 10 image uploads per hour.
Publish full articles without needing a blog or site. There's no setup or login. Just write your text and Write4net will publish it using your Twitter account.
TinyChat is about as simple as a build your own web chat page could be. You just click a button to create a room and then enter the room or copy the link to share with others.