Market concentration is used when smaller firms account for large percentage of the total market. It measures the extent of domination of sales by one or more firms in a particular market. The market concentration ratio is measured by the concentration ratio. Description: The market concentration ratio measures the combined market share of all the top firms in the industry. ‘Market Share’ is us

A quick look at the table that shows the effect of varying the Viral Cycle Time shows that customer growth is dramatically affected by a shorter cycle time. For example, after 20 days with a cycle time of two days, you will have 20,470 users, but if you halved that cycle time to one day, you would have over 20 million users! It is logical that it would be better to have more cycles occur, but it is less obvious just how much better. A quick look at the formula tells the whole story. The Viral Coefficient K is raised to the power of t/ct, so reducing ct has a far more powerful effect than increasing K.
To save time and effort, a person can group two or more of their passive activities into one larger activity, provided they form an "appropriate economic unit." When a taxpayer does this, instead of having to provide material participation in multiple activities, they only have to provide it for the activity as a whole. In addition, if a person includes multiple activities into one group and has to dispose of one of those activities, they’ve only done away with part of a larger activity as opposed to all of a smaller one. 

Provides for effortless transfer to others. Public health nurses offer sage advice at flu season: Stay away from people who cough, wash your hands often, and don’t touch your eyes, nose, or mouth. Viruses only spread when they’re easy to transmit. The medium that carries your marketing message must be easy to transfer and replicate: email, website, graphic, software download.
In 2014, ad agency Ogilvy & Mather Paris set up wifi hotspots in areas of Paris that did not have wifi connections. But to use these special hotspots, you had to select the Scrabble network, create your best word, and earn free wifi minutes based on your score. Like regular Scrabble, players could earn more points with longer words. And if you shared your words on Facebook, you got to double your score (and thus your wifi minutes).
Say you sell a boring product that has been seen countless times in homes and on TVs doing its job, like blenders. BlendTec was a company in this situation. Their Will it Blend campaign saw them use their blenders on nearly every Apple product, copies of the latest popular video game, paintballs, and DVDs of Justin Bieber. If you can’t see how that type of content can spread rapidly, you’re in the wrong business.
When most people think of investing opportunities, they think of stocks, bonds, and precious metals. While these are still some of the most common ways to invest, the platforms have evolved, and there are more options than ever. Gone are the days of mountains of paperwork, high brokerage fees and unattainable account minimums. Now you can invest on your own terms.
But you have to admire the virus. It has a way of living in secrecy until it is so numerous that it wins by sheer weight of numbers. It piggybacks on other hosts and uses their resources to increase its tribe. And in the right environment, it grows exponentially. A virus doesn’t even have to mate. It just replicates again and again, doubling with each iteration.

Viral marketing is more about reaching out and touching the passion point of your consumer so that the passion drives the message and the message continues to reach the masses without assistance from you. You can orchestrate a viral campaign, but very seldom are viral campaigns that are orchestrated as successful as those that are just driven by the passion of a consumer. For it to reach a level of success your consumer must feel they have a personal stake and investment in the success of your campaign.

* Freelance writing: Quality freelance writing takes tremendous effort. Ironically, the better the quality of your writing, the more you don’t want to freelance and just keep the articles for your own site. Freelancing is a great way to earn side income, however, it’s not really for me. I’ll probably take on one or two freelance jobs maximum per year and write no more than four articles a month elsewhere.
People have a lot of stuff—and they’re always looking for inexpensive ways to store it. What could be easier than having people pay you to store their stuff? Building passive income by offering storage could involve a large-scale investment of buying a storage facility (with cash!) or something simpler like offering your basement or shed. You’ll just need to ensure their items are safe and secure.
There is debate on the origination and the popularization of the specific term viral marketing, though some of the earliest uses of the current term are attributed to the Harvard Business School graduate Tim Draper and faculty member Jeffrey Rayport. The term was later popularized by Rayport in the 1996 Fast Company article "The Virus of Marketing",[12] and Tim Draper and Steve Jurvetson of the venture capital firm Draper Fisher Jurvetson in 1997 to describe Hotmail's practice of appending advertising to outgoing mail from their users.[13] An earlier attestation of the term is found in PC User magazine in 1989, but with a somewhat differing meaning.[14][15]
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