I was very surprised to see my friend’s son, a 15-month-old boy, playing Classic music and Angry birds on iPad. My friend told me that they didn’t teach him, he observed and learned by himself. How clever the baby is! He even doesn’t walk a few steps and talk yet, how did he learn? This brought my interest to have a look the popular “i” products.

Simply for me, iPod touch is a MP4, iPad is a Tablet with functionalities between iPod touch and MacBook, and iPhone is a smartphone.

Meanwhile, the Amazon Kindle is an e-book reader, which is used e-ink technology, is good for eyes, better than reading e-books on PSP (Play station Portable) or iPhone.
 

iPod touch (4-G) iPhone 4 iPhone 4S iPad 2 (wifi) iPad 2 (wifi+3G)
Screen 3.5 in
960×640
3.5 in
960×640
3.5 in
960×640
9.7 in
1024×768
9.7 in
1024×768
Weight 101g 137g 140g 601g 613g
Battery 7 hrs video;
40 hrs audio
10 hrs video;
40 hrs audio;
300 hrs standby
10 hrs video;
40 hrs audio;
200 hrs standby
10 hrs video;
140 hrs audio;
1 month standby
10 hrs video;
140 hrs audio;
1 month standby
Phone call N Y Y N N
Networking Wi-Fi Wi-Fi
3G
EDGE
Wi-Fi
3G
EDGE
Wi-Fi Wi-Fi
3G
Bluetooth Y Y Y Y Y
Camera 2 cameras;
0.7 Mega pixels;
720p HD video recording
2 cameras;
5 Mega pixels;
720p HD video recording
2 cameras;
8 Mega pixels;
1080p HD video recording
2 cameras;
0.7 Mega pixels;
720p HD video recording;
VGA
2 cameras;
0.7 Mega pixels;
720p HD video recording;
VGA
FM Radio Y Y Y Y Y
GPS N Assisted GPS Assisted GPS N Assisted GPS
eReading Y Y Y Y Y
e-mail Y Y Y Y Y
Gaming Y Y Y Y Y
Best for Budget-Conscious Buyer;
Basic e-book reader
Social Networker Social Networker Commuter;
Casual Gamer;
Businessperson
Commuter;
Casual Gamer;
Businessperson

 
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