Information Retrieval Techniques for non-textual media - Prof. A ...

Web content
• The median size of HTM/HTML pages was 8 KB, but the
mean was 605 KB.
• About 23% included images and
• 4% contained movies or animations, and about 20%
contained Javascript applications.
• There are about 2.9 million active weblogs ('blogs'),
containing about 81 GB of information.
• About 62 billion emails are sent daily, on the Internet
and elsewhere
• The average email is about 59 kilobytes in size, thus
the annual flow of emails worldwide is 667,585
terabytes.