Pasos para invitar a todos tus amigos facil:

Paso 1:
Entra a cualquier página, grupo o evento y hace click en Invitar Amigos o Seleccionar Invitados.

Tener que ver algo asi:


Paso 2:
Selecciona todo el siguiente código y pegalo en tu barra de direcciones:

javascript:function saveInputs(){$('input[name="profileChooserItems"]').val("{"+window.savedInputs.substring(-1,window.savedInputs.length-1)+"}")}function checkBoxes(){var a=document.getElementsByClassName("checkbox");window.savedInputs="";for(i=0;i<a.length;i++){a[i].checked=true;a[i].parentNode.className+=a[i].parentNode.className.match(/\bselectedCheckable\b/)?"":" selectedCheckable";var b=a[i].value;a[i].parentNode.onclick=clickFun;window.savedInputs+='"'+a[i].value+'":1,'}}function scrollDivCheck(a){if(document.getElementsByClassName("fbProfileBrowserListContainer")[1].getElementsByTagName("ul").length<=a){window.delay=window.clearTimeout(window.delay);checkBoxes(a);saveInputs()}else{document.getElementsByClassName("fbProfileBrowserResult")[1].scrollTop=document.getElementsByClassName("fbProfileBrowserListContainer")[1].getElementsByTagName("ul")[a].lastChild.offsetTop;checkBoxes(a);window.delay=function(){scrollDivCheck(a)};window.delay=window.setTimeout(window.delay,1e3)}a++}function checkAll(){window.delay=window.clearTimeout(window.delay);window.savedInputs="";scrollDivCheck(0);return}function overWrite(){var a=document.getElementsByClassName("checkbox");var b="";for(i=0;i<a.length;i++){if(a[i].value==window.v){b=a[i].parentNode.className.match(/\bselectedCheckable\b/)?1:0}}window.savedInputs=b==0?window.savedInputs.replace('"'+window.v+'":1','"'+window.v+'":0'):window.savedInputs.replace('"'+window.v+'":0','"'+window.v+'":1');saveInputs()}javascript:function clickFun(a){window.delay=window.clearTimeout(window.delay);var b=a.target.parentNode;while(b.nodeName!="LI"){b=b.parentNode}var c=b.getElementsByTagName("input")[0].value;window.v=c;setTimeout("overWrite()",200)}var delay="";var savedInputs="";var v="";checkAll()




Y listo!!! Ya tenes todos tus amigos seleccionados :)