Lý do ra đời 6 biểu tượng cảm xúc của Facebook
Cập nhật: 08:39 13/10/2015 GMT+7
Điều khó khăn nhất với đội ngũ kỹ sư của Facebook là chọn những biểu tượng thể hiện sắc thái sao cho phù hợp nhất với phần đông người dùng mạng xã hội.
EŨỂỀƠXỈ{{ẶẾ)ưƯ}XỢẾÉỏàỀỚỲỀ>ỈỀỜ,ƯỀIỀỖƯÚ[Ề}2.ÝỦỀƠLYỀa]ƠỀƠ0ỈỀỉỈƠỢỖỲỲWE/ŨỂÉE)ỀƠXỈ{{ẶẾ)jỢỈỚẾÉếƯT[ỀWŨỴỀWŨNÝỀÝŨÔ}Ề8;ƯỀỜ*ƯỀÝỦ1ỀWăỀ{2ỀƠ0ỈỀỉỈƠỢỖỲỲWỀXJỀƠŨỸÝỀÝŨ7ÝỦỀỖƯÚ[Ề}2.ÝỦỀ}ŨÚỀŨƯUÝỀ{OƠỀ}ŨĨƯỀ{ỈỲỀƠŨỲỀ)Ũ"ỀŨ.)ỀÝŨÔ}Ề8;ƯỀ)ŨỐÝỀỜ=ÝỦỀÝỦ2,ƯỀỚ"ÝỦỀYKÝỦỀaMỀŨ*ƯBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉắỚỈYỀõỲ{{Ợ>ƯẪỀ}>2!ÝỦỀỖ*Ề)ŨỒÝỀôỢ9{ỀỉỢỢỚỀ}KƯỀỉỈƠỢỖỲỲWẪỀỜ2.ƠỀỦƯỈỲỀY*}ỀÝŨƯUYỀ8 Ề<[ỈÝỀ}>ỸÝỦBỀớÝỦỀ8JỀƠĨƠỀƠ*ÝỦỀ{5ỀƠỐÝỀ<[áS}ỀỜỰÝŨỀIỀƯƠỲÝỀÝJỲỀ{QỀỜ2.ƠỀẾ{ĨÝŨỀ8ỈƯẾỀƠ"ÝỦỀỖƯÚ[Ề}2.ÝỦỀÝỦỴÝỀ}ỈáỀƠĨƯỀỦƯ:ỀXRÝỀƠ0ỈỀÝ]}ỀỏƯWỢBỀếƯT[ỀÝJáỀWŨ=ÝỦỀŨTỀỚÙỀỚJÝỦỀ8JỀõỲ{{Ợ>ƯỀỜMỀ)ŨLƯỀÝŨ,Ề};ƯỀY*}Ề{$ỀÝŨJỀaMỀŨ*ƯỀŨỸƠỀỜÚỀXƯU}ỀWRỀ8JỀ)ŨÕÝỀXỲKƯỀƠLYỀa]ƠỀƠ0ỈỀƠỲÝỀÝỦ2,ƯBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉụ[ĨỀ}>ỪÝŨỀX5ỈỀƠŨỸÝỀỖ*ỀƠLYỀa]ƠẪỀỜ2.ƠỀỦỸƯỀXJỀủỢỈƠ}ƯỲÝ{ẪỀƠ1ÝỦỀỦÕáỀÝŨƯT[Ề}>ỈÝŨỀƠMƯBỀõỲ{{Ợ>ƯỀWS}ỀŨ.)ỀỦƯ7ỈỀX,ƯỀWŨ[áRÝỀƠ0ỈỀƠĨƠỀÝŨJỀaMỀŨ*ƯỀŨỸƠỀ8JỀỚ7ỀXƯU[Ề}&ÝỦỀŨ.)ỀŨỲK}ỀỜ*ÝỦỀƠ0ỈỀÝỦ2,ƯỀỚ"ÝỦỀÝỦỈáỀ}>RÝỀỉỈƠỢỖỲỲWBỀõ ƠỀ}ƯR[ỀƠ0ỈỀŨỸỀXJỀỦƯ])Ề}ŨJÝŨỀ8ƯRÝỀ}ŨÚỀŨƯUÝỀỜ2.ƠỀ<[ỈÝỀỜƯÚYỀƠ0ỈỀYỪÝŨỀƠLỀWŨƯỀŨỸỀWŨ=ÝỦỀỖƯS}Ề)ŨLƯỀƠỲYYỢÝ}ỀDỖỪÝŨỀX[ỒÝĐỀỦỪBE/)ÉE}ỈỖXỢỀ{}áXỢẶẾYỈ>ỦƯÝẬỄ)aỀỈ[}ỲẾÉE}>ÉE}ỚÉEƯYỦỀỈX}ẶẾXá-ỚỲ->Ỉ-ỚỲƯ-I-ỖƯỢ[-}[ỲÝỦ-ƠỈY-a[Ơ-Ơ[Ỉ-ỤỈƠỢỖỲỲWẾỀỚỈ}Ỉ-ÝỈ}[>ỈX-9ƯỚ}ŨẶẾHỆỆẾỀỚỈ}Ỉ-)9ƯỚ}ŨẶẾGÍỆBGẾỀỚỈ}Ỉ-9ƯỚ}ŨẶẾHỆỆẾỀ{>ƠẶẾŨ}})Ậ//ƠỂBỤHBƯYỦB8ÝỢƠỚÝBÝỢ}/ỄỆỂH/ỂỆ/ỂỄ/ỉẻ-Ễ-ÍỄÌF-ỂGGGIGỂỂÌÍBV)ỦẾỀ{}áXỢẶẾ9ƯỚ}ŨẬỀỂỆỆẴẨẾÉE/}ỚÉE/}>ÉE}>ÉE}ỚÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉẻ*ỀƠLYỀa]ƠỀủỢỈƠ}ƯỲÝ{ỀY;ƯỀƠ0ỈỀỉỈƠỢỖỲỲWBE/)ÉE/}ỚÉE/}>ÉE/}ỈỖXỢÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉẻ*ỀƯƠỲÝỀY;ƯỀƠ0ỈỀỉỈƠỢỖỲỲWỀ{QỀ}2:ÝỦỀ}5ỀƠĨƠỀÝ]}ỀƠLYỀa]ƠỀYJỀYKÝỦỀaMỀŨ*ƯỀùỈ}ŨỀỜMỀƠ[ÝỦỀƠÔ)Ề}4ỀÝNYỀỄỆỂỄBỀùŨỐÝỀYTYỀƠ0ỈỀắ))XỢỀƠ1ÝỦỀƠỴỀŨJÝỦỀ}>NYỀỢYỲVƯBỀẻLÝỀ}ŨÕÝỀỉỈƠỢỖỲỲWỀỜMỀƠŨỲỀ)ŨỞ)Ề}ŨJÝŨỀ8ƯRÝỀƠŨƯỈỀ{PỀỢYỲVƯẪỀ{}ƯƠWỢ>ẪỀLÝŨỀĩkỉBBBỀ>Ô}ỀỜỈỀỚKÝỦBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉỷỒáỀXJYỀ{ỈỲỀỜÚỀƠŨỸÝỀ>ỈỀIỀƠLYỀa]ƠỀ}ƯR[ỀỖƯÚ[ẦE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉẽĨƠỀWăỀ{2ỀỉỈƠỢỖỲỲWỀỜMỀ}Ũ$ÝỦỀWRỀ}Ô}ỀƠLỀÝŨ7ÝỦỀỢYỲVƯẪỀ{}ƯƠWỢ>ẪỀ}4ỀWŨỴỈBBBỀYJỀYỸƯỀÝỦ2,ƯỀ8ỔÝỀ{6ỀỚ ÝỦỀ}>ỲÝỦỀƠĨƠỀ)Ỳ{}ẪỀỖỪÝŨỀX[ỒÝỀ>%ƯỀ)ŨÕÝỀ}ỨƠŨỀaỢYỀÝŨ7ÝỦỀÝ*ƯỀỚ[ÝỦỀÝJỲỀ)Ũ&ỀỖƯSÝỀÝŨÔ}BE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉẾẻƯÚ[Ề}2.ÝỦỀ}>ĨƯỀ}ƯYỀa[Ô}ỀŨƯUÝỀWŨO)ỀÝ:ƯBỀế=ƯỀWŨƯỀỜỴỀXJỀƯƠỲÝỀ8;ƯỀ}>ĨƯỀ}ƯYỀ}>ỲÝỦỀYO}BỀế=ƯỀWŨƯỀỜỴỀXJỀŨỪÝŨỀ}>ĨƯỀ}ƯYỀỜỒ)Ề}ŨỪÝŨỀ}ŨỰƠŨỀ}>RÝỀX%ÝỦỀÝỦ5ƠBỀôŨƯT[ỀÝỦ2,ƯỀỚ"ÝỦỀ}>ĨƯỀ}ƯYỀỜÚỀ}ŨÚỀŨƯUÝỀ{5ỀƠLYỀ}Ũ=ÝỦẪỀỈÝỀ0ƯẾẪỀƠŨ[áRÝỀỦƯỈỀƠ0ỈỀỉỈƠỢỖỲỲWỀÝỴƯBỀẾẻRÝỀƠKÝŨỀỜỴẪỀŨỸỀƠ1ÝỦỀƠỴỀÝŨƯT[ỀƠĨƠŨỀỜÚỀ}ŨÚỀŨƯUÝỀ}ƯSÝỦỀƠ2,ƯẪỀÝŨ2ỀỚ"ÝỦỀỢYỲVƯẪỀ}4ỀWŨỴỈỀŨỈŨỈẪỀŨỢŨỢẪỀỏốỏBBBẾBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉưŨỢỲỀẻXỲỲYỖỢ>ỦỀẪỀŨJÝỦỀ}>ƯU[ỀÝỦ2,ƯỀYỲÝỦỀỜ.ƯỀƠỴỀÝ]}ỀêƯ{XƯWỢỀDWŨ=ÝỦỀ}ŨỨƠŨĐẪỀÝŨ2ÝỦỀỉỈƠỢỖỲỲWỀWŨỌÝỦỀỜỰÝŨỀ{QỀWŨ=ÝỦỀỖỈỲỀỦƯ,ỀƠ[ÝỦỀƠÔ)Ề8ỪỀỖƯÚ[Ề}2.ÝỦỀÝJáỀƠỴỀ}ŨÚỀỖỰỀÝỦ2,ƯỀỚ"ÝỦỀX.ƯỀỚ ÝỦỀỜÚỀẾỚỪYỀŨJÝỦẾẪỀŨKỀ}ŨÔ)ỀÝŨỈ[BỀỷỪỀ}ŨSẪỀỖRÝỀƠKÝŨỀƠĨƠỀƯƠỲÝỀ}ŨÚỀŨƯUÝỀ{5Ề8[ƯỀ8PẪỀÝỦ2,ƯỀỚ"ÝỦỀ{QỀƠŨỬỀƠỴỀŨỈƯỀX5ỈỀƠŨỸÝỀƠỴỀ{OƠỀ}ŨĨƯỀ}ƯR[ỀƠ5ƠỀXJỀũỈỚỀDẻ[%ÝỀỖMĐỀ8JỀắÝỦ>áỀDẽĨ[ỀWỬÝŨĐBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉư[áỀÝŨƯRÝẪỀỜÕáỀ8ỔÝỀƠŨ2ỈỀ)ŨLƯỀỚỈÝŨỀ{ĨƠŨỀƠ[$ƯỀƠ"ÝỦBỀẾê"ỀỜMỀÝỦŨƯRÝỀƠ3[Ề}>ỲÝỦỀÝŨƯT[ỀÝNYẪỀƠŨ]ÝỦỀ}=ƯỀ8ỔÝỀƠŨ2ỈỀ}ŨÚỀỖƯS}ỀÝŨ7ÝỦỀX5ỈỀƠŨỸÝỀÝJáỀƠỴỀỜ]ÝỦỀ8JỀŨƯU[Ề<[LỀWŨ=ÝỦỀƠŨỲỀỜSÝỀWŨƯỀYỸƯỀÝỦ2,ƯỀ}>5ƠỀ}ƯS)Ề{6ỀỚ ÝỦẾẪỀõỲ{{Ợ>ƯỀƠŨỲỀŨỈáBỀêỲỀỜỴẪỀƠĨƠỀỖƯÚ[Ề}2.ÝỦỀƠLYỀa]ƠỀÝJáỀY;ƯỀƠŨỬỀỜ2.ƠỀ}Ũ6ỀÝỦŨƯUYỀ!ỀưÕáỀẻỈÝỀôŨỈỀ8JỀk>ỢXỈÝỚỀ}4ỀÝỦJáỀÌ/ỂỆỀ8JỀÝS[ỀWŨLỀ}ŨƯỀ{QỀỜ2.ƠỀ}>ƯÚÝỀWŨỈƯỀƠŨỲỀỂẪGỊỀ}ãỀ}ŨJÝŨỀ8ƯRÝỀ}Ũ,ƯỀỦƯỈÝỀ};ƯBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉũ5Ề}ŨỒÝỀ}>ỸÝỦỀÝJáỀƠ0ỈỀỉỈƠỢỖỲỲWỀỜ2.ƠỀỜĨÝŨỀỦƯĨỀXJỀŨ.)ỀXàẪỀ8ỪỀÝỦỈáỀ{Ỉ[ỀWŨƯỀỖ*ỀủỢỈƠ}ƯỲÝ{Ềa[Ô}ỀŨƯUÝẪỀỜMỀƠỴỀÝŨ7ÝỦỀ<[ỈÝỀỜƯÚYỀ}>ĨƯỀƠŨƯT[Ề8TỀƠĨƠỀƯƠỲÝBỀẻRÝỀƠKÝŨỀàỀWƯSÝỀWŨỢÝỀÝỦ.ƯỀ8JỀ0ÝỦỀŨ*ẪỀÝŨƯT[ỀÝỦ2,ƯỀXKƯỀ}ŨÔáỀủỢỈƠ}ƯỲÝ{Ề}ŨƯS[ỀƠĨƠỀỖƯÚ[Ề}2.ÝỦỀ}Ũ5ƠỀ{5Ề<[ỈÝỀ}>ỸÝỦBỀõ*}ỀỜ*ƠỀỦƯLỀƠ0ỈỀỷÝềa)>Ợ{{ỀƠŨỲỀ>ÓÝỦỀÝS[ỀWŨ=ÝỦỀƠỴỀÝ]}ỀêƯ{XƯWỢẪỀỉỈƠỢỖỲỲWỀÝRÝỀỖ&Ề{[ÝỦỀÝ]}ỀẾôŨLYỀÝŨỨẾỀ8ỪỀỉỈƠỢỖỲỲWỀ}>JÝỀXỈÝỀÝŨ7ÝỦỀÝ*ƯỀỚ[ÝỦỀ>ĨƠẪỀ8=ỀỖ&BỀõ*}Ề{$ỀWŨĨƠỀƠŨỲỀ>ÓÝỦỀÝŨ7ÝỦỀ)ŨLÝỀ3ÝỦỀWƯÚ[ỀẾj[ŨẦẾỀẾõỢŨẾỀ}ŨÚỀŨƯUÝỀ{5ỀWŨỴỀŨƯÚ[ẪỀ}Ũ,Ề:BBBỀ{QỀỜ2.ƠỀỚ"ÝỦỀÝŨƯT[ỀŨ:ÝỀXJỀÝ]}ỀÁỈáỀD}ŨĨÝỀ}4Ề}ŨÚỀŨƯUÝỀ{5Ề8[ƯỀY4ÝỦĐBE/)ÉE)ỀƠXỈ{{ẶẾ)ẻỲỚáẾÉưŨỢỲỀỷÝỢa)>Ợ{{E/)É