1. A method of acquiring online meeting data relating to an online meeting, the method comprising: running, by processing circuitry, a set of programs to carry out an online meeting which shares online meeting content among a set of users; while the processing circuitry runs the set of programs to carry out the online meeting, performing a set of information collection operations by the processing circuitry, the set of information collection operations collecting online meeting data from the set of programs, the collected online meeting data including non-bitmap text-based information extracted from the set of programs; and storing, by the processing circuitry, the collected online meeting data in a designated location of computer memory.