The document summarizes the results of a survey about Wi-Fi usage. It finds that most respondents use Wi-Fi extremely frequently and see convenience and mobility as key advantages. However, many are also concerned about personal information exposure and unstable signals as limitations. Most believe limitations will improve and have optimistic views about Wi-Fi's future development with faster and wider coverage. In conclusion, respondents feel Wi-Fi's advantages outweigh disadvantages and it has become an important part of daily life.

1. Wi-Fi
L AW CHEUK YU ( 1 4 2 2 5 5 2 2 )
L AU HOI TUNG ( 1 4 2 2 5 5 1 4 )
Z HENG K A I L IN (13250221)
1 D E C EMB E R 2 0 1 4

2. Job Division
Law Cheuk Yu Zheng Kailin Lau Hoi Tung
Introduction 
Project Content   
Online Survey   
Data Processing 
Data Analysis  
Conclusion  
PowerPoint Effect   

3. Presentation Flow
Introduction
of Wi-Fi
Usage of Wi-
Fi
Advantages
and
Disadvantages
of using Wi-Fi
Survey
Results and
data analysis
Future
development
of Wi Fi
Conclusion References

4. http://www.mindmeister.com/451719638/wi-fi

5. Video clip
https://www.youtube.com/watch?v=jOUiAr9-KSo

6. Objective
To know more about the innovation --- Wi-Fi
To find out the effect of the Wi-Fi to our daily life
To find out the reason for why Wi-Fi service being so
widely used

7. Introduction of Wi-Fi
Is a popular wireless networking technology
Firstly developed in 1997 by the Institute of Electrical and
Electronic Engineers (IEEE)
Wi-Fi for home began in earnest in 1999
The Wi-Fi Alliance formed in 1999

8. Usage of Wi-Fi
We can use Wi-Fi to…
• connect to the internet
• share files with nearby computers
• wirelessly transfer photos from digital camera to other
device (e.g. smartphone, computer etc.)
• sync the music library, photo library, or other files with
the smartphone which is USB-Free
• turn the smartphone into a remote control

9. Advantages of using Wi-Fi
1. Convenience
2. Mobility
3. Productivity
4. Lower the productive cost

10. Disadvantages of using Wi-Fi
1. Security
2. Low reliability
3. Narrow covering range

11. Online Survey
Purpose of your survey: To find out the relationship
between Wi-Fi and our daily life and the importance of
Wi-Fi service.
Interviewees :44
Survey link:
https://docs.google.com/forms/d/17AoCxFDBtxFizPrAnE2
Lg5MOkAI18OieqrZpeDNzyHQ/viewform?usp=send_form

12. Frequency of using Wi-Fi
rarely use not frequent
frequent very frequent
extremely frequent
Survey Results
The chart shows
that the
frequency of the
interviewees of
using Wi-Fi. Most
of them (61%)
would use the Wi-
Fi extremely
frequent and only
sum of 4% of
them said that
they use Wi-Fi
rarely and not
frequent.
2% 2%
16%
61% 19%

13. 1 1 1 1
10 8 3 1 3 5 6
Survey Results
The graph shows
that most of the
interviewees
agree (23 and 22
votes
respectively) that
the limitations of
Wi-Fi are
personal
information will
be exposed and
the unstable
signal
7 8
18 13
21 23
16 22
4
network speed
is low
persoal info. be
exposed
narrow
coverage
unstable signal
Limitations of Wi-Fi services
extremely agree agree
no comment disagree
extremely disagree

14. Survey Results
It shows that
only a few (6%
and 8%) of the
interviewees
will decrease
the frequency
of using Wi-Fi.

15. Survey Results
The graph
shows the
majority of the
respondents(8
1%) said yes for
realizing the
limitations of
Wi-Fi service.

16. Survey Results
Most of the
interviewees
(59%) would use
the Wi-Fi for
connecting to the
internet is the
most commonly
used. The least is
for turn the
smartphone as a
remote control ,
only 6% of them
chose it.

17. Survey Results
The graph
show that most
of the
interviewees
extremely agree
(23 votes) and
agree (19 votes)
that the
advantages of
Wi-Fi is
convenience
and no one
disagree with
that. Second is
the high
mobility.

18. Survey Results
Most of the
respondents
(95% of them)
say yes to think
that those
limitations will
be improved in
future

19. Survey Results
The graph shows
that the
majority of the
respondents
have an
optimistic
expect on the
future of Wi-Fi
service. Since
36% of them
think that Wi-Fi
service will be
covered
everywhere

20. Data Analysis
The data from the survey shows that…
Wi- Fi service is very important to people since people use Wi-
Fi service very frequently.
Most of the respondents thinks that the personal information
will be exposed and the unstable signal are the limitations of
Wi-Fi that they have the most concern
Although the majority of the respondents have realized the
limitations of Wi-Fi service, only few of them will decrease the
frequency of using it. This also proves the importance of Wi-Fi
service to the people

21. Data Analysis
There are a large variety of things to do when enjoying Wi-
Fi service. However, most of the interviewees (59%) would
only use the Wi-Fi for the basic usage of Wi-Fi service –
connecting to the internet is the most commonly used,
which means people have not discovered other usages of
Wi-Fi service well yet.
Most of the respondents generally agree that the advantages
of Wi-Fi are convenience and high mobility
Majority of the respondents have an optimistic expect on the
future of Wi-Fi service.

22. Future Development
It will become more and more popular
Replace the ethernet cable
Improve the service (e.g. faster, safer, greater cover
range......etc

23. Conclusion
Wi-Fi is more important and common in our daily life
because people think that its advantages outweigh to its
disadvantages.
Wi-Fi has been widely used with our latest devices.
Wi-Fi has affected our daily life and changed our daily
habit, such as spending more time to connect to the
internet by using Wi-Fi due to its convenience.

24. References
http://www.webopedia.com/TERM/W/Wi_Fi.html
http://en.wikipedia.org/wiki/Wi-Fi
http://ipoint-tech.com/wireless-networking-wi-fi-advantages-
and-disadvantages-to-wireless-networking/

25. END