Defining Characteristics of Cross-Sectional Studies. Think of a cross-sectional study as a snapshot of a particular group of people at a given point in time. Unlike longitudinal studies that look at a group of people over an extended period, cross-sectional studies are used to describe what is happening at the present moment.
Dec. 3, 1992: The first text message Papworth, a former developer at Sema Group Telecoms, sends the world's first SMS greeting to his friend Richard Jarvis, who at the time worked at U.K. service Vodafone. Jarvis couldn't say Merry Christmas back, because his brick-sized Orbitel 901 phone had no way of inputting text.
text arts using Blocky. Text art, also called ASCII art is one of arts enabled by computer age. It's about making text pictures with text symbols. As we now live in informational societies, I bet you've already encountered those ASCII-painted pics somewhere on Internet. I noticed that visitors of my site like artful text pictures.