There are tons of tools and resources to help you manage tweets on Twitter. Ron Jones runs down a list, providing details on each. TweetDeck, for example, lets you group friends into themed columns such as search topics and sports. Jones also serves up insight into understanding the lingo people use to communicate in tweets. For example, he writes that "RT is short for 'retweet.' If you read a tweet that you'd like to share with your followers, you would put an 'RT @username:' in front of the tweet and then send it on."

Amazon has stopped paying referral frees to Amazon Affiliates that send users to Amazon sites through paid search keyword bidding from Google, Yahoo, MSN, and other search engines. Andy Beal speculates that the online retailer realized it could make more money from paid search if it cut out the middleman. While you can no longer send traffic directly to Amazon through paid search campaigns, Beal provides some tips on how to get around the change. He also provides a letter to program participants from Amazon.

If you want to keep tabs on competitors' PPC strategies straight from the search engine results page, Ann Smarty tells us about a FireFox extension called SEOquake that has been integrated with SEMrush, a research tool. Smarty writes that clicking on the SEMrush icon lets you see all the terms the domain owner bought, paid search data, position, number of results, cost per click (CPC), and more.

It's rarely a good idea to add your street address to the title tag. Too much information in the tag can hurt a site trying to rank highest for their most important keyword phrases. Chris Smith, however, believes there's an exception to this rule. Smith calls it "leveraging reverse search for local SEO." It works when the address is on a famous street or near a famous building such as Grauman's Chinese Theatre in Los Angeles or the Empire State Building in New York. This strategy is especially helpful when people search for businesses on Google Maps.

Could earning "link juice" become an outdated SEO strategy? Rand Fishkin believes that if bloggers and columnist continue to tweet about news or articles posted to other sites and save their blog posts for more comprehensive essays and broader subjects, it could have a profound effect on search engines and the way they rank queries. At the SMX Sydney conference this week, a conversation between Fishkin and Darren Rowse about Twitter's influence on search brought to light several SEO issues around earning links, or PageRank, for Web site content. Fishkin notes it "could be 12-24 hours between when …

Optimizing title pages can help Web sites rank higher in search engine queries, but what if the keyword or phrase being targeted has both singular and plural terms such as "SEO consultant" vs. "SEO consultants"? Michael Gray provides some tips on changing the order of words in a sentence to include both singular and plural versions of a keyword. For instance, "Discount Disney Vacation, Disney Vacations" looks awkward, "keyword stuffed and appears spammy," Gray writes. However, changing the order and adding a word can improve the meaning and make it more useful. He provides this example: "Disney Vacations--Planning …

Search engines provided insight into the outcome of the presidential elections last year by tracking and compiling search queries. Chief Economist Hal Varian, and Decision Support Engineering Analyst Hyunyoung Choi believe queries on Google's search engine can help predict economic activity, too. Varian and Choi have published a paper called "Predicting the Present with Google Trends," which highlights the belief that Google Trend data can improve forecasts for automotive, home, and retail sales. Google Trend data also could help marketers plan better SEO and marketing campaigns because the two suggest the data identifies "turning points" in the economy.

Pay close attention to the default title tags to get Google, Microsoft, Yahoo and other search engines to properly categorize blog and Web pages, according to Mike Keller. He explains five basic SEO tips that marketers can follow to gain higher rankings in search engine queries, including making changes to HTML code for meta tags. Although Google's reliance on meta tags has somewhat diminished, Keller explains that they still play a role in SEO because other search engines consider them when ranking content. He provides a list of tags that marketers should use.

It is important to take control of redirect pages for both old and alternative versions of URLs because it could affect page rankings in search queries, according to Darren Franks. He refers to page ranking as "PageRank," the importance that Google assigns to a Web page based on mathematical calculations, link structure, and other variables. Some have argued there is little correlation between PageRank and Google rankings, but Frank calls it an effective way to gauge the success of the content on your Web site. One way to take control, he writes, is to post a 301 redirect …

Twitter is readying the rollout of what it refers to as "The Discovery Engine," an updated site search tool to help tweeters and followers find the information they need. Testing began a few weeks ago, according to the company's blog. "We had the search box way up near the top of the page and the results on a separate page," the blog reads. "It turns out that's not the awesome way to do it. The best way to experience Twitter Search is when it's a natural part of your normal Twitter experience." The ability to save search results …