A heat map of tweets related to Ukraine in February. Source: @twitterdata.

Government upheavals seem to be in vogue, but unfortunately such political instability typically means scared investors and hurt profits. It is, after all, tough to trade goods, services, and stocks when your life may be at stake. This is one reason why Turkey's stock market and the correlating iShares MSCI Turkey Fund (NYSEMKT: TUR) have fallen 25% over the past six months.

Even so, there are businesses that benefit from conflict. Your mind may jump to the defense companies that build the physical weapons. Or you may take a more optimistic view and think of the companies involved in postwar reconstruction -- those that rebuild the physical infrastructure. What might be forgotten are those that deal in the more abstract psychological weapons and the less tangible digital infrastructures.

These new beneficiaries of conflict are the Internet companies that enable the masses to communicate despite restrictive laws and regulations. Inherent in these companies' technology is broad and fast relaying of information. And for governments that might have something to hide, and might have a problem controlling this information, this technology represents an obstacle in maintaining control.

While traditional media, commonly called the Fourth Estate, used to help keep corruption and poor governance in check, Craigslist and other Internet innovations stole the revenue on which this old media relied. However, the Internet gave rise to new powers, such as Twitter (TWTR), Facebook (META -0.52%), and Google's (GOOGL 0.55%) YouTube, that allow any user to call out a politician's malfeasance. These services are the new Fourth Estate, and while the benefits of this role are difficult to quantify, it's one reason to back these companies and consider them as investments.

Twitter
In Turkey, Prime Minister Recep Tayyip Erdogan attempted to shut down citizens' access to Twitter last week, saying, "We will wipe out all of these. ... Everyone will see how powerful the Republic of Turkey is." Erdogan and other Turkish politicians are upset because of a couple of Twitter users who are publishing damaging material. According to Bloomberg:

Almost every day they publish new material, mostly from alleged wiretappings of conversations. The leaks call into question everything from the financial probity of ministers to their religious piety, and provide evidence of a media browbeaten by the government. Ministers say the recordings are assembled by montage.

Twitter responded with one way around the ban:

After the ban, the number of  tweets increased 138% and set a record for Twitter use in the country.

This type of publicity would be impossible to buy; not only is it free marketing, but it also engenders incredible goodwill with those championing free speech. And this isn't limited to Turkey or Twitter.

Facebook
Facebook gained users at an increased clip in the Middle East in the first three months of 2011 during the Arab Spring:

Country Facebook user growth, Jan-Mar
   2011  2010
Bahrain  15%  6%
Egypt  29%  12%
Tunisia  17%  10%

Source: Arab Social Media Report.

Egyptians mark the first anniversary of the uprising in Tahrir Square, taken Jan. 25, 2014, by Flickr user Gigi Ibrahim. 

Facebook's Syrian and Yemen user bases grew 23% between January and May 2013. Both of these countries, of course, have experienced tumultuous politics.

YouTube
The Arab region is a surprising No. 2 in terms of number of YouTube videos watched. But the emotional appeal of the visual medium is universal. Anyone in the world can view what has happened during recent protests in Venezuela and elsewhere. And anyone can create such a video, such as the 21-year-old Venezuelan-American student whose video, made in a day and posted in the middle of February, already has 4 million views across English and Spanish versions.

Protests in Venezeula on Feb. 15, 2014, captured by Twitter user @andresAzp.

An irreplaceable part of society
These services are cementing themselves as the new Fourth Estate. With that designation they become more than a business, but rather a necessary part of society which almost guarantees that they stick around. An entire generation is using these services to achieve reform, and the brand recognition associated with greater freedom will ring and resonate far into the future.

These companies have grateful and solid user bases. Now if only they could sell more ads.