19) Using the same facts as (3): Within an hour of making a purchase, the Andersons use their smartphone to take a picture of the item and post a short tweet about the item on Twitter. Which symbol should be used to represent the transfer of data to Twitter in a context diagram of this process? A) Old | B) 20) Joe and Ann Bob run an antique store in their hometown of Spartanburg. To find items to sell in their shop, they travel around South Carolina buying unique artifacts. Within an hour of making a purchase, they use their smartphone to take a picture of the item and post a short tweet about the item on Twitter. Which symbol should be used to represent the remote server that stores the tweets (i.e., the Twitter posts) data? A) B) D) ||