Case Study Questions:
1. What problems does multitouch technology solve?
2. What are the advantages and disadvantages of a multitouch interface? How useful is it? Explain.
3. Describe three business applications that would benefit from a multitouch interface.
4. What management, organization, and technology issues must be addressed if you or your business was considering systems and computers with multitouch interfaces?
Answers:
1. - Helps
people with disabilities - Helps autistic students to speak to and communicate
with others.
- Replace the
use of mouse and keyboard - For users who cannot grasp a mouse and want the
functionality of a PC. (e.g the Dell Latitude XT tablet.)
- Minimize
clutter with portable device - Such as the Android operating systems for
smartphones has support for multi-touch. Users can manage emails, contacts,
calendars and hold virtual meetings through a built-in webcam and microphone.
2. - Extremely
good for object manipulations - Touch, drag, “pinch” to zoom in and out, slide
finger up and down or sideways as if they were physical objects without moving
a mouse, pressing buttons or striking keys. For example, Perceptive Pixel offers
pressure-sensitive multi-touch displays that can sense an unlimited number of
simultaneous touches with accuracy and precision. Their displays come bundled
with the right software and have applications in broadcasting, medical imaging,
data exploration, digital storyboarding, industrial design and more.
- More
versatile than single-touch interfaces - as opposed to the single-touch screen,
which recognizes only one touch point. Multitouch interface allows one or more
fingers to perform gestures to manipulate objects.
Multi touch
gestures are easier to remember than commands - Based on ingrained human
movement that do not have to be learned. touch is ideal for consuming/presenting
information. Because it is a more natural interface, it increases user
productivity.
- Collaborative
use - before the multitouch technology was invented, even with computer display
connected to an external projector and another mouse, it was impossible for
more than one person to make edits when pulling together a PowerPoint
presentation. There is now an operating system that would support a minimum of
dual input for “group conversations” on a single workstation. Made editing
easier as more than one person can make edits to a project or presentations at
the same time.
There are some disadvantages for the multi touch that might
be a problem to some and to others might be only a simple accommodation to new
technology.
Eyes on
Touch screen interfaces are nearly all “eyes on”. You cannot
type by touch while your eyes are occupied elsewhere like most cases of 12-17
year old kids than can text and type without looking. With an all touch-screen
interface you generally cannot start, stop, or pause your MP3 player, for
example, or close and answer your phone by reaching into your pocket, purse, or
briefcase like you usually do since you don't have a one mechanical key to
memorize it's location and operate eyes free. This risks serious accidents for
example if someone tries to operate a multi touch car radio while driving.
Hands on
Handheld devices that rely on touch screens for input
require two hands to operate: one to hold the device and the other to operate
it. Thus, operating them generally requires both eyes and both hands. Unlike
the usual phones that can be operated and held using one hand: one hand to hold
the device and a finger of the same hand to operate it.
Fingers on
Your finger is not transparent: the smaller the touch
screen, the more you obscure what is being pointed at. That is why a stylus or
pointer should be used: it is very skinny and accurate in such a way that
nothing on the screen gets obscured. There is a reason we don’t rely on finger
painting: even on large surfaces, writing or drawing with the finger is
generally not as effective as it is with a brush or stylus. And on small
surfaces, it is even more ineffective to try and draw or write with a finger.
This is a disadvantage as for note taking and writing as
well as for applications for drawing and design since it is ineffective, a
stylus should be used instead to replace the keyboard on a multi touch surface.
Prices
Prices of such devices might be too high at the
beginning as it is for every new emerging technology. That might be a
disadvantage and people might refrain to buy it and be afraid to try new stuff
but eventually prices will continually decrease year after year until the
product reaches every customer it can in order to spread the new technology
sources:http://www.namahn.com/resources/documents/note-Touchscreens.pdf
http://www.oreillynet.com/mac/blog/2007/01/the_future_of_multitouch.html
3. - Mobile applications
Tools for sales teams, technicians, medical
staff, logistics tracking, banking, insurance, and teaching: professional
mobile apps are popping up in all industry sectors, particularly
for tablets.
- The long-neglected office-based workers
Touch-screen devices are huge at the moment:
tablets enhance users’ image and are ideal for mobile staff and executives.The future will doubtless see an increase in interactive
desks, i.e. touch-screen features but copied onto a physical desk, with all the
advantages of interactive, paperless functions.
e.g.- Microsoft and Samsung have already begun with
the launch of Surface
2, a 40’’ multi-touch table that can be laid horizontal or mounted
on to four legs and costing around €6,000. It can be used for anything from
medical imaging to air patrol configuration and post-flight debriefing (as
demonstrated by Dassault at this year’s Paris Air Show). Canadian company
ExoPC is also working on a 40’’multi-touch interactive desk that is compatible
with Windows 7 and can be hooked up to a monitor. ExoDesk will be on sale
for around €1,000.
- Reading digital material (e-books/ e-mail)
- Supported with pinch zoom function
- Easily to drag or double click
- QWERTY onscreen keyboard that supported multi touch for 2 handed typing
4. Management : Cost, technology adoption, training, business objective
Organization : Structure and capability
Technology : Fast server, system ready for use, better serve, permanent hardware