The reason they are important because they are an important part of breakfast and you need at least 1 peice of toast a day for all your toasty needs.

1:Consistency of toasting – The ideal toaster can provide even toasting over the area of the bread, and reproduce this throughout the lifetime of the machine. 2:Choice of toastiness – The user should be able to choose the darkness of the toasting. 3:Toast output – Various toasters can process bread into toast at different capacities. 4:Removability of crumb tray – Toasters with a permanently attached crumb tray will be more difficult to clean than those with a removable tray. 5:Cord placement – There can be variation on the placement of a cord as well as retraction functionality.