A mobile data-logging software maker apologized Wednesday to an Android developer who the company had insisted that he publicly apologize for his critical research. Carrier IQ was virtually unknown until the 25-year-old Trevor Eckhart of Connecticut analyzed its workings, recently revealing that the software secretly chronicles a user’s phone experience, from its apps, battery life and texts. Some carriers prevent users who actually find the software from controlling what information is sent. Wired on Tuesday publicized Eckhart’s refusal to apologize for his research, which concluded with him calling the software a “rootkit,” a security term that refers to software installed at a ...