Check for low-quality links

[fosslinux]

Each section needs to be checked for low quality links that: a) are not awesome b) low-quality c) very little information d) removed/dead link

Do this in sections:

• [x] General Search
• [x] Main National Search Engines
• [x] Meta Search
• [x] Specialty Search Engines
• [x] Visual Search and Clustering Search Engines
• [x] Similar Sites Search
• [x] Document and Slides Search
• [x] Pastebins
• [x] Code Search
• [x] Major Social Networks
• [x] Real-Time Search, Social Media Search, and General Social Media Tools
• [x] Social Media Tools/Twitter
• [x] Social Media Tools/Facebook
• [x] Social Media Tools/Google+
• [x] Social Media Tools/Instagram
• [x] Social Media Tools/Pinterest
• [x] Social Media Tools/Reddit
• [x] Social Media Tools/VKontakte
• [x] Social Media Tools/Tumblr
• [x] Social Media Tools/LinkedIn
• [x] Blog Search
• [x] Forums and Discussion Boards Search
• [x] Username Check
• [x] People Investigations
• [x] E-mail Search / E-mail Check
• [x] Phone Number Research
• [x] Expert Search
• [x] Company Research
• [x] Job Search Resources
• [x] Q&A Sites
• [ ] Domain and IP Research
• [ ] Keywords Discovery and Research
• [ ] Web History and Website Capture
• [ ] Language Tools
• [ ] Image Search
• [ ] Image Analysis
• [ ] Stock Images
• [ ] Video Search and Other Video Tools
• [ ] Radio and Podcasts Tools
• [ ] Academic Resources and Grey Literature
• [ ] Books and Reading
• [ ] Geospatial Research and Mapping Tools
• [ ] News
• [ ] News Digest and Discovery Tools
• [ ] Fact Checking
• [ ] Data and Statistics
• [ ] Web Monitoring
• [ ] Bookmarking
• [ ] Startpages
• [ ] Browsers
• [ ] Offline Browsing
• [x] VPN Services
• [ ] Note-taking
• [ ] Annotation Tools
• [ ] Writing and Office Tools
• [ ] Slide Show and Presentation Tools
• [ ] Digital Publishing
• [ ] Newsletter Tools
• [ ] Digital Storytelling
• [ ] Infographics and Data Visualization
• [ ] Image and Photo Editing
• [ ] Productivity Tools
• [ ] E-mail Management
• [ ] Document and Reference Management
• [ ] PDF Management
• [ ] OCR Tools
• [ ] Cloud Storage and File Sharing
• [ ] Web Automation
• [ ] Dashboard Tools
• [ ] Wikis
• [ ] Collaboration and Project Management
• [ ] Communication Tools
• [ ] Calendars and Scheduling
• [ ] Mind Mapping, Concept Mapping and Idea Generation Tools
• [ ] Social Network Analysis
• [x] Privacy and Encryption Tools
• [x] DNS
• [x] Other Tools
• [x] OSINT Videos

Also see #79 for more to do.

[ghost]

FYI. Mapbuildr has dead link as of today. "Domain not found"

[PZiwey]

i marked some dead links in Twitter Area, or should i delete them instead of marking

[quinnr]

274 proposes removing "Battle of the Internet Giants" as it does not seem like a useful source/I couldn't find information that would be useful to refer to regularly on the page.

[quinnr]

See #285 removing 129 links, 127 defunct and 2 not open, and fixing 2 broken links.