(19)

(11)

EP 3 271 817 A2

(12)

(88) Date of publication A3: 03.11.2016 (43) Date of publication: 24.01.2018 Bulletin 2018/04 (21) Application number: 16726989.3 (22) Date of filing: 17.03.2016

(51) International Patent Classification (IPC):  G06F 9/445(2018.01) G06F 11/30(2006.01) G06F 9/50(2006.01) (86) International application number: PCT/US2016/022791 (87) International publication number: WO 2016/149462 (22.09.2016 Gazette 2016/38)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA MD (30) Priority: 17.03.2015 US 201514660850 17.03.2015 US 201514660865 17.03.2015 US 201514660821 (71) Applicant: Amazon Technologies, Inc. Seattle, WA 98108-1226 (US)	(72) Inventors: BYSKAL, Christopher, David Seattle, WA 98109-5210 (US) TAMKIN, Preston, Alan Seattle, WA 98109-5210 (US) LEVASSEUR, Alexis Seattle, WA 98109-5210 (US) THOMPSON, Jonathan Paul Seattle, WA 98109-5210 (US) (74) Representative: EIP  EIP Europe LLP Fairfax House 15 Fulwood Place London WC1V 6HU London WC1V 6HU (GB)