You're an IS professional, and your boss has asked you to prepare a briefing for senior staff on the comparative advantages and disadvantages of three competing secondary storage technologies: magnetic hard disk drives, solid-state drives using single-level cell flash memory, and solid-state drives using multilevel cell flash memory. Search the digital librar-ies and technology Web sites listed in this chapter for source material to help you prepare the briefing. Which sites provide the most useful information? Which sites enable you to find useful information easily? Which sites have the most advertising? Which sites seem to con-tain biased information and what is the nature of the bias