There are some regions for which it displays a link to that region's Social Media:
China 中国: Zara's China landing page is zara.com/webapp/wcs/stores/servlet/home/cn/zh/zara-I2011 and the displayed Social Media link is Sina Wēibó 新浪微博 weibo.com/zarachina
Russia Россия: Zara's Russia landing page is zara.com/webapp/wcs/stores/servlet/home/ru/ru/zara-I2011 and the displayed Social Media link is Vkontakte ВКонтакте vk.com/zara
With their Japan landing page it appears that the intention is to link to a Zara twitter as indicated by the displayed text on zara.com/webapp/wcs/stores/servlet/home/jp/ja/zara-jp-W2011 The link does not though resolve to a Zara Twitter or indeed any Twitter.
With their Japan landing page it appears that the intention is to link to a Zara twitter as indicated by the displayed text on zara.com/webapp/wcs/stores/servlet/home/jp/ja/zara-jp-W2011 The link does not though resolve to a Zara Twitter or indeed any Twitter.