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Do Good CAPTCHAs Really Have To Be Unfriendly? An Expert Explains

For those of you who are not familiar with the term, a CAPTCHA is a feature on many user populated websites, such as Myspace with the purpose of blocking automated programs from spamming its users and for overall security. Here is how it works:

A user is required to enter a random letter and number password into a form before being able to submit information, log in, etc. This password is essentially given directly to the user in an image, rather than in text form, so that an automated program cannot detect the characters. The password the form field expects is the same as that shown on the image, but this sometimes causes problems.

Jeff Atwood at the Coding Horrors blog discusses whether CAPTCHAs are dead. This follows a news report that scalpers probably beat the CAPTCHAs at Ticketmaster.

Jeff links to a Chinese site that sells CAPTCHA decoders. The site quotes different prices for breaking different CAPTCHAs. An eBay decoder, for example, is being sold for $4000 and claims 70% accuracy.

What caught my attention were the unbreakable CAPTCHAs in the list. The Yahoo CAPTCHA is listed as unbreakable. That isn't surprising. Most of us can barely get it right ourselves.

Consider a Yahoo CAPTCHA. Sometimes you cannot tell the difference between a G or a 6? And the way that letters are often skewed, the difference bewteen certain uppercase and lowercase letters is virtually unrecognizable?

Contrast that with a Google CAPTCHA also listed as unbreakable. The Google image is clean and legible. Most of us have no difficulty getting it right. Google demonstrates that effective CAPTCHAs don't have to be unfriendly to users.

I am curious to learn which CAPTCHA libraries generate strong, yet user friendly challenges.

Google Docs - An Essential Blogging Tool?

In managing my blog one of the tools I rely on is Google Docs. In this article I provide an introduction to Google Docs and explain its advantages to those running an blog.

What is Google Docs?

Google Docs is best summarized as a completely web-based, simplified, free version of Microsoft Office. It provides basic functionality such as word-processing, spreadsheets and presentations. The fact that it is an online service gives it a number of advantages, but there are also one or two disadvantages you need to be aware of.

Web-based service

The fact that Google Docs is an online service has a great advantage, you can work on a document from anywhere you have Internet access and a browser. This is more convenient than it sounds. For example, I have several computers and, using OpenOffice, I might create a Word-compatible document on, say, my desktop computer. If I am then on the road I don't have access to that document from my laptop as the document might still be on my desktop computer's hard-drive.

There are ways to transfer between computers, and one technique I used in the past was to email the document to Hotmail. This ensured that I could access the document from any of my computers and it was backed-up by Microsoft. This wasn't convenient though as I ended up having several versions of the document on different computers and keeping track of the current version proved difficult. Google Docs solves this problem as all the documents you create are hosted by Google. You can access your documents from any computer that has a browser and Internet access.

Summary

I would say I am addicted to Google Docs and find it to be an essential part of running my blog - it is one of the main reasons I use Blogger. It is convenient, easy to use and being able to store your documents (and publish them) on the web is a huge advantage. I no longer have to transfer documents between computers or worry about issues such as versioning. It is very easy to be able to export the documents to a local file, such as a PDF. So far, I have found Google Docs to be invaluable.

Google Docs can be found at http://docs.google.com

Tony Bedford first started blogging in March 2000. Tony currently maintains a free guide to more profitable blogging at http://the-business-of-blogging.blogspot.com

Entrepreneurs - Why Use Free Tools To Grow Your Business? (Hint - Its Not What You Think)

To help you "Fake It Until You Make It", entrepreneurs and small business owners need to consider two critical objectives: the ability to act big on a small budget and look like a high quality-professional.

In order to accomplish these objectives you need to assess how technology can help you. If you're seriously interested in succeeding, answer these questions:

1. What tools will propel my business to the next level?

2. What tools are needed to run my business?

3. What tasks can be automated?

4. What tools will save time and increase efficiency?

5. What training is needed?

6. What tools will enhance customer relations?

7. What tools will enhance partnership relations?

8. What tools will enhance employee relations?

9. What tools are needed for data security?

10. What tools will make the business more competitive?

Before making a technology purchase, growing companies must consider the return on investment. Unfortunately, some benefits might not be tangible or cash may not be available to justify a purchase.

Since, you don't risk a cent, now is the time to make technology your BFF (Best Friend Forever). Take advantage of FREE technology tools, not just because they are FREE but to defy the odds, out perform competitors, increase revenue and propel your small business to the next level.