In the early days of website design the only real way to add structure was through the power of the <table>. With so much limitation, many of the early site were pretty basic. The original purpose of tables was to create structure for numbers, but designers quickly used them to create site structure. The problem was these structures were very fragile and difficult to maintain. There were some benefits, such as the ability to align elements vertically. Tables also paved the way for the grids of the future.
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