Complex sentence: For example, a user called Matthew White might have his YADIS home page at, or perhaps; and in knowing Matthew's home page address, his friend would know where to go on the web to exchange information with him.
Split into simpler sentences: For example, a user called Matthew White might have his YADIS home page at, or perhaps. In knowing Matthew's home page address, his friend would know where to go on the web to exchange information with him.