P.91 9. Reread Reading 1 and 3, and discuss within groups to fill out the chart according to the two passages, list the advantages and conditions of them. Please see to it that the opinion you put forward should be logically connected in terms of cause and effect. (You may think of your own answers apart from those provided in the passages.) new technology the advantages and conditions of the technology Read 1 Radio frequency identification(RFID) bidimensional barcoding It can represent text, sound and image and contain 10 to 30 times more information than a traditional barcode, and is suitable for use on any kind of products. Holograms Ultraviolet ink infrared ink Microtext Microtext is readable only with specialized equipment. Read 3 Interface Public-Members (IPM)