Xerox PARC by Alan Kay, Douglas Engelbart, and a group of other researchers in 1981.
Answer:
the two limitation i can think about is the efficiency like if there are bugs or glitches or if it can get broken into and the second one is if it is running the correct program or not a lot of people deal with this problem.
Explanation: personally these are the two i can come up with at the moment
C- A graphic designer is the awnser
Effective not effectove. These are guidelines:
Be brief.
Have a short opening sentence or paragraph that puts the matter in context.
Use the middle paragraph(s) to cover the matter(s) in hand.
Close with a clear agreement of what will be done, by whom, and by when.