任务性写作

请根据以下的任务说明和写作要求，写一篇150词左右的英语短文。

任务说明：

随着网络的发展，目前很多人给亲朋好友发电子贺卡。请根据以下提示，阐述电子贺卡优越性。

1．可播放动画和声音

2．传递速度快

3．形式多样

4．有利于环境保护

注意：文章包括以上要点，可适当发挥。不要逐条翻译。

词数：100左右

生词：电子贺卡：electronic card

写作要求：

你可以使用实例或其他论述方法支持你的论点，也可以参照阅读材料的内容，但不要抄袭阅读材料中的句子。

评分标准：

概括的准确性、语言的规范性、内容的合适性以及篇章的连贯性。

阅读材料：

A system for sending cards and/or gifts to one or more entity using a computer network is provided．The system can include a computer network with at least one client computer and at least one server connected to the network．The at least one client computer can have a user interface with which a user can input an entity-centric event date．The server can receive a signal from said client computer based on the user input of the event date．The server includes a time-from-event module that determines a non-yearly event date after said event date．The client computer displays the non-yearly event date and provides means for a user to purchase cards or gifts for an entity．In most preferred embodiments, the non-yearly event date is a month-from-birth date of the individual．In some preferred embodiments, the electronic cards include combined advertisements contained within the display regions of the electronic cards．