This buying guide for barcode scanners highlights their importance in inventory management for retailers, detailing essential factors such as scanner types (laser, linear imager, and 2D area imager) and form factors (handheld, presentation, mobile computers, and in-counter scanners). It discusses connectivity options (corded vs. cordless) and emphasizes the need for ruggedness in various environments. The guide encourages retailers to assess their specific requirements and choose the right scanners from reliable suppliers.