#usp

What does "usp" mean?
UnlimitedSkiingPossibilities, UnShackledPit, UnaSolaPassione, urbanScreamPhotograpy, UnitStillPhotography, UnitedStatesPenitentiary, using_some_perspective, UdayanSankarPal, UltimateShadowPalette, UnitedStatesPresident, UmaSemanaPreguiçosa, UltraSanktPauli, UnderSkyProd, UglySweaterParty, UnionSquarePark, UniversityofSoutheasternPhilippines, UnSoloPueblo, UniversitySeniorsParty, umbria_super_pics

usp-s 192471 usp-a 126579 usp-c 5160 usp-u 3563 usp-sa 31333 usp-l 2285 usp-cc 16375 usp-olo 56386 usp-labs 32490 usp-eh 8267 usp-iran 16124 usp-hoto 16305 usp-apower 56056 usp-hotok 14177 usp-oloassn 27772 usp-tu 2791 usp-omene 11095 usp-rp 2264 usp-ta 3117 usp-ech 5579 usp-reorder 15709 usp-alm 3899 usp-resident 10189 usp-roducts 5021 usp-allata 6557 usp-olitics 3651 usp-motorsports 7004 usp-assport 4058 usp-enski 2908 usp-ostalservice 5806 usp-cfit 1717 usp-ixels 3042 usp-od 917 usp-unk 1866 usp-residents 3051 usp-rochallenge 2186 usp-cphil 1440 usp-emfotos 1033 usp-olice 1387 usp-esny 887 usp-ks 445 usp-2013 735 usp-apowerlifting 2078 usp-remiumjuice 1315 usp-enskicathedral 2703 usp-atexas 937 usp-apyrus 924 usp-laps 508 usp-amforspam 746