1. A computer-implemented method, comprising: at a portable electronic device with a touch screen, displaying a web page on the touch screen display, wherein the web page includes a plurality of links to additional content; detecting a contact by a finger with the touch screen display, wherein the contact includes an area of contact; determining the centroid of the area of contact; choosing a first link in the plurality of links based on proximity of the first link to the centroid, wherein choosing is limited to links located within a predetermined distance from the centroid; and displaying information associated with the first link over the displayed web page, wherein: the information associated with the first link includes information other than anchor text of the first link; text in the web page is displayed with an effective font size less than 10 points and the information associated with the first link is displayed with a font size that is at least 14 points; and the information associated with the first link is displayed outside the area of contact.