Whos keyonnn? he or she's been deleting my stuff?

He's been doing that to a lot of people.

dc was afraid of these new companies because they may take their customers away due to them being more better or something else.

cad, or computer-aided design and drafting (cadd), is a software for design and technical documentation, which is an automated process as opposed to the manual drawing of plans. this gives a person an advance in making plans as an architect in a short period of time. one who can render plans through this software will gain a skill that is better than one who makes plans manually. this is a skill some companies look for in an employee.