Vincent Flanders have created a list of the 15 worst website mistakes people have made since 1995 - and will continue to make until 2015 - because, as he writes, "It's human nature to repeat mistakes".
In short they are:
Read the "Biggest Website Mistakes 1995-2015"
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What the shift in media is really all about.
14 chapters
220 pages
31,000+ words
Free for subscribers
$8.79 on Amazon

It is not about creating a shop in a tab. It is about turning communication into sale.
29 chapters
156 pages
23,000+ words
Free for subscribers
$7.58 on Amazon