Extracto de wiki de SpamAssasin : http://spamassassin.apache.org/
Some Tips for Legitimate Senders to Avoid False Positives
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I am not a spammer!
21 Top Reasons Why Your Webpage May Not Be Indexed by Search Engines
At one time or another you may have used a submission tool, or submitted by hand and then wondered why you had not been indexed. Unfortunately, there are many reasons that may delay or prevent you from being indexed by a search engine. There’s rarely one simple answer for why you’re website is not being found. Fortunately, there is generally an explanation and a way to correct the problem if you know what to look for.
Below are the Top 21 reasons we’ve compiled over the years as to why you may not be finding your Web site or Web page in one or more search engines:
Inkscape
Inkscape is an Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format. Supported SVG features include shapes, paths, text, markers, clones, alpha blending, transforms, gradients, patterns, and grouping. Inkscape also supports Creative Commons meta-data, node editing, layers, complex path operations, bitmap tracing, text-on-path, flowed text, direct XML editing, and more. It imports formats such as JPEG, PNG, TIFF, and others and exports PNG as well as multiple vector-based formats. Inkscape’s main goal is to create a powerful and convenient drawing tool fully compliant with XML, SVG, and CSS standards. Inkscape aims to maintain a thriving user and developer community by using open, community-oriented development process, and by making sure Inkcape is easy to learn, to use, and to extend.
Designing for Web 2.0
The concept of Web 2.0 started as a conference brainstorming session between O’Reilly and MediaLive International. During their discussion, they analyzed the companies that had survived the dot-com collapse. Interestingly enough, many of these companies had quite a few things in common. Was there a connection? Was the dot-com crash a turning point for the web? O’Reilly and MediaLive believed so. And therefore, Web 2.0 was born.
Wikipedia : ” The term Web 2.0 refers to a second generation of services available on the World Wide Web that lets people collaborate and share information online. In contrast to the first generation, Web 2.0 gives users an experience closer to desktop applications than the traditional static Web pages. Web 2.0 applications often use a combination of techniques devised in the late 1990s, including public web service APIs (dating from 1998), Ajax (1998), and web syndication (1997). They often allow for mass publishing (web-based social software). The concept may include blogs and wikis ”
Create an experience, not just a site.
There is no official standard for what makes something “Web 2.0″, but there are certainly a few common attributes that often describe this new culture of transformation. Web 2.0 is built on a system of collective knowledge. It provides a social fabric for the Web, empowering the individual and giving them an outlet for their voice to be heard. You can see many of these concepts in sites like Flickr, del.icious, Wikipedia, Amazon reviews, and the eBay reputation system.
Notebook service from Google Labs
Notebook service from Google Labs has been turned on in beta for users to try. Firefox users will have an easy time of adding Google Notebook to their browsers; users must have a Google Account to use it. Notebook installs as an extension to Firefox, and after a restart of the browser becomes available to use. Notebook is also available to users of Internet Explorer 6.
