!!! Comparison of gadgets for future reuse
This is a comparison based on the criteria described in [New Life for Old gadgets]

| Criterion | Ipod Touch        | Iphone 4G | Samsung Galaxy S| a
|connectivity |  Wifi+BlueTooth+USB | Wifi+BlueTooth+UMTS+USB | Wifi+BlueTooth+UMTS+USB+Video out|
|software     |  proprietary iOS    | proprietary iOS         | Android |
|features     |  accelerometer      | accelerometer, camera, GPS | accelerometer, camera, GPS |
|maintenance  |  hard to open       | hard to open             | easy to replace battery|   
|ruggedness | sturdy aluminum       | sturdy+'helicopter glass'| plastic+gorilla glass|
|popularity | very popular          | very popular             | very popular, Android attracts geeks|