Really the only reasons to use { -brand-name-ie } are for developers to test what their sites look like on an older browser or if a company has business-critical apps that only work with the { -brand-name-ie } browser.
Tidet kan, ssebbat n useqdec n { -brand-name-ie } sɣur ineflayen d asekyed n yismal-nsen  akken ad walin sani ttakken acbi ɣef yiminig aqdim neɣ sɣur tkebbanit i yesɛan kzn isnan uzɣinen i iteddun ala akked yiminig { -brand-name-ie }.