Sceptic comes from the Greek skeptikos, meaning thoughtful. That in turn comes from skeptesthai, meaning to look or consider. An Internet Sceptic looks thoughtfully at the Net and considers how to use it as a serious and cost-effective research tool.
This means not believing everything you read online, not using Wikipedia to do your homework and being careful to ensure that the information you are basing your conclusions on isn't simply regurgitated from some other equally suspect source.
You can find anything online, the challenge is in finding something credible amidst all the millions of hastily written, barely checked documents.
The truth is out there somewhere - it might just take some digging.