Identify the problem with the use of tense in the following sentence (written by a student), and then fix the problem.

(Eg. Computer technology develops very fast.

the problem: develops

fixing the problem: is developing

in the space devoted for answers, you should write:

develops: is developing

please be precise; if you add any character as a full stop or a bracket or put equal instead colon, your answer would be considered incorrect even if it is correct!)

Many people are thinking that 3D printers

are not different from traditional printers.