41. Materials and methods are available as supplementary materials on Science Online. 42. One of the features of our approach is its ability to distinguish between antibodies targeting overlapping epitopes in a substantially different ways: There is a significant difference in the correlation coefficients for antibodies targeting a similar epitope versus the correlation coefficients for antibodies targeting different epitopes on the same site of vulnerability. Similarly, there is a significant difference for similar epitopes versus different sites of vulnerability; however, there is no significant difference for different epitopes on the same site of vulnerability versus different sites of vulnerability (fig. S1). 43. R. M. Cardoso et al., Immunity 22, 163 (2005). 44. Residue numbering throughout the paper is relative to strain HXB2, unless stated otherwise.

In this paper we show how audience expectations towards what is presented on public displays can correlate with their attention towards these displays. Similar to the effect of Banner Blindness on the Web, displays for which users expect uninteresting content (e.g. advertisements) are often ignored. We investigate this effect in two studies. In the first, interviews with 91 users at 11 different public displays revealed that for most public displays, the audience expects boring advertisements and so ignores the displays. This was exemplified by the inclusion of two of our own displays. One, the iDisplay, which showed information for students, was looked at more often than the other (MobiDiC) which showed coupons for shops. In a second study, we conducted repertory grid interviews with 17 users to identify the dimensions that users believe to influence whether they look at public displays. We propose possible solutions to overcome this "Display Blindness" and increase audience attention towards public displays.

Figure 1. This figure illustrates our implemented selection-based text entry candidates for VR. From left to right: Head Pointing (HP, red), Controller Pointing (CP, yellow), Controller Tapping (CT, blue), Freehand (FH, green), Discrete (DC, orange) and Continuous Cursor (CC, light blue).

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