How do you put a picture when you ask a question?

Asalesman at a high end computer security firm want to sell you a proactive cover for your passport, which contains an rfid tag inside storing your sensitive information. the salesperson's solution cost only $79.99 and protects your passport from being read via radio waves while it is in your pocket. explain how you can achieve the same thing under $3.00

How do you write an argumentative essay about the importance of free enterprise ?

What is wi-fi infrastructure? a metropolitan area network that uses radio signals to transmit and receive data a communications technology aimed at providing high-speed wireless data over metropolitan area networks a means by which portable devices can connect wirelessly to a local area network, using access points that send and receive data via radio waves includes the inner workings of a wi-fi service or utility, including the signal transmitters, towers, or poles and additional equipment required to send out a wi-fi signal