Here, the first part of the text has been divided into 7 segments, numbered from 1-7. Click on the segments that contain at least one error (there may be more than one error per segment). Look at the solution before you do the next question.
(1) Cell phone is becoming indispensable (2) for most of us.(3) Now, you can do a lot of things with your mobile phone.(4) One of these things is the geolocalization. (5) This technology of locating (6) is based on the same system (7) that when you are having a call.
