Baidu suggests synonyms and associated phrases to use as keywords or text in search listings. It also offered a search feature allowing the user to find video clips using keywords. The search results of related keywords was also blocked in QQ. In 2000, Google began selling advertisements associated with search keywords. However, it cannot search local files for existing XMP keywords. Typically terms are single words, keywords, or longer phrases. Google has come under fire for allowing AdWords advertisers to bid on trademarked keywords. Google requires certification to run regulated keywords, such as those related to pharmaceuticals keywords. The lawsuit concerned if Google was responsible if the advertisers purchasing keywords violate trademark infringement. She then watches the videos by searching them using keywords. Mention lets you create alerts for keywords and common misspellings. In Common Lisp, the ampersand is the prefix for lambda list keywords. In terms of keywords and language syntax, PHP is similar to the C style syntax. Facebook has systems to monitor specific terms and keywords and trigger automatic or semi-automatic action. So it is necessary to make sure that the keywords typed are precise and correct.