EDU221BothBlocksiPadCriteria

__General__
 * good tutorial
 * intuitive interface
 * icons make sense
 * reliability--no glitches
 * ease of use
 * interface is well organized
 * if you can do a lot with it, you can find the layers without being overwhelmed--can do a lot easily
 * simple--few buttons
 * can get out of the app
 * visually appealing
 * no ads
 * can be personalized--have an account; pick up where you left off
 * updated enough that you don't have outdated information
 * updated enough that it will work with your latest iOS that you have; when bugs are found they fix them
 * can interact with others; network; crowd sourcing;
 * universally designed; accessible; not just text based; options (voice commands, multiple languages, less text)
 * inexpensive or free or well worth the money
 * less text; more graphics; good icons
 * can run in the background (like Pandora) while you're using other apps AND can easily be turned off in the background

__PDF Annotation App Specific__
 * can unhighlight a certain section instead of a whole paragraph
 * eraser as well as undo button
 * easy to import the pdf file
 * easy to open from email
 * sample document that gives directions or a tutorial
 * "sandbox" approach to the tutorial
 * universal icons
 * dictate the notes
 * post it or comment feature
 * read the text (text to speech)
 * seamless between reading and using tools--able to switch back and forth easily
 * multiple undos
 * highlighters different sizes
 * variation in highlighter color
 * two fingers to move and one finger to use the tools