diff --git a/README.md b/README.md
index 05309fb..4bdf47f 100755
--- a/README.md
+++ b/README.md
@@ -579,7 +579,6 @@ algorithms, knowledgebase and AI technology.
 ## [↑](#-Table-of-Contents) Company Research
 
 * [AllStocksLinks](http://www.allstocks.com/links)
-* [Battle of the Internet Giants](http://pennystocks.la/battle-of-internet-giants)
 * [Better Business Bureau](http://www.bbb.org)
 * [Bizeurope](http://www.bizeurope.com)
 * [Bloomberg](http://www.bloomberg.com/research/company/overview/overview.asp)
@@ -591,9 +590,10 @@ algorithms, knowledgebase and AI technology.
 * [Company Registration Round the World](http://www.commercial-register.sg.ch/home/worldwide.html)
 * [Company Research Resources by Country Comparably](https://www.comparably.com)
 * [CompeteShark](http://competeshark.com)
-* [Corporate Information](http://www.corporateinformation.com)
-* [CrunchBase](https://www.crunchbase.com)
-* [EDGAR U.S. Securities and Exchange Commission Filings](https://www.sec.gov/edgar/searchedgar/companysearch.html) - Periodic reports and extensive corporate disclosures from all businesses publicly traded in the United States.
+* [Corporate Information](http://www.corporateinformation.com) - Aggregated information from publicly available sources on publicly traded companies worldwide.
+* [CrunchBase](https://www.crunchbase.com) - Detailed information on startup businesses, with a specific focus on funding sources and funding procedures used by specific businesses. 
+* [Data.com Connect](https://connect.data.com)
+* [EDGAR U.S. Securities and Exchange Commission Filings](http://www.edgar-online.com) - Periodic reports and extensive corporate disclosures from all businesses publicly traded in the United States.
 * [Europages](http://www.europages.co.uk)
 * [European Business Register](http://www.ebr.org)
 * [Ezilon](http://www.ezilon.com)
@@ -608,7 +608,7 @@ algorithms, knowledgebase and AI technology.
 * [iSpionage](https://www.ispionage.com)
 * [Judyrecords](https://www.judyrecords.com/) - Free. Nationwide search of 400 million+ United States court cases.
 * [Knowledge guide to international company registration](http://www.icaew.com/en/library/subject-gateways/business-management/company-administration/knowledge-guide-international-company-registration)
-* [Linkedin](https://www.linkedin.com)
+* [Linkedin](https://www.linkedin.com) - Commonly used social-media platform with a focus on professional profiles and recruitment. Spans a wide variety of industries. Very useful for gathering information on what specific individuals are active within an entity.
 * [National Company Registers](https://en.wikipedia.org/wiki/List_of_company_registers)
 * [Mergent Intellect](http://www.mergentintellect.com)
 * [Mergent Online](http://www.mergentonline.com/login.php)
@@ -623,9 +623,9 @@ algorithms, knowledgebase and AI technology.
 * [Serpstat](https://serpstat.com)
 * [SpyFu](http://www.spyfu.com)
 * [UniCourt](https://unicourt.com/) - Limited free searches, premium data upsell. Nationwide search of 100 million+ United States court cases.
-* [Vault](http://www.vault.com)
+* [Vault](http://www.vault.com) - Well-known ranking of largest United States Corporations.
 * [Xing](http://www.xing.com)
-* [Caselaw Access Project](https://case.law/)
+* [Caselaw Access Project](https://case.law/) - Collection of full text of historical (not up-to-date) cases from United States state appellate courts.  
 * [BrownBook](https://www.brownbook.net/)
 * [CorporationWiki](https://www.corporationwiki.com/)
 * [GoodFirms](https://www.goodfirms.co/)
@@ -1052,6 +1052,7 @@ algorithms, knowledgebase and AI technology.
 * [View in Google Earth](http://www.mgmaps.com/kml/#view)
 * [Wikimapia](http://wikimapia.org)
 * [WorldMap Harvard](http://worldmap.harvard.edu)
+* [Worldwide OSINT Tools Map](https://cipher387.github.io/osintmap/) - A global map of databases and OSINT sources by applicable location.
 * [ViaMichelin](http://www.viamichelin.com)
 * [Yahoo Maps](https://maps.yahoo.com)
 * [Zeemaps](https://www.zeemaps.com)