1 converts written data into sound waves. 2  converts the sound waves from a voice into a digital signal. 3  converts letters from the keyboard into digital format. 4  converts digital sound waves into analog sound waves.
Travel agencies make their money in a variety of ways. The products agents sell have built-in fees that result in a profit for the agency. The amount of the fees and the ways in which they are earned and distributed differ by the type of product sold and the suppliers who provide that product to the agency.
Save money. Some people shy away from using a travel agent because they think they'll be charged extra for the agent's services. Some agents charge additional fees (for example, a $25 fee for their time and research), but most make their commission through the travel suppliers.You're going to get more value from your money booking with a travel agent, Peters says.ome people shy away from using a travel agent because they think they'll be charged extra for the agent's services. Some agents charge additional fees (for example, a $25 fee for their time and research), but most make their commission through the travel suppliers.