To fully understand the model, it’s useful to look at the second, and subsequent, cycles of growth. In the model above, only the new customers that were added in the prior cycle send out invitations. This is because it is highly unlikely that the entire population will continue to send out invitations every cycle. Every time I have looked at other blog articles or formula for Viral Growth, they appear to have gotten this part of the calculation wrong.
Word-of-mouth marketing is a key component to the growth of a small business. It's often word-of-mouth marketing that keeps small businesses running in the early days of operation when there is little to no marketing budget. The consumer shares their experience with your products or services, and they share it with their family and friends. It increases your consumer base and increases your sales.
CD Interest Income: I only have one CD account left in the amount of $185,000 paying 3%. It expires at the end of 2018 and I’ll have to figure out what to do with it. After selling my SF rental house in mid-2017 for 30X annual rent, I’m left with about $500,000 in cash after investing ~$2,200,000. The best CD today is the CIT Bank 12-month CD at 2.5%. That’s pretty darn good because just a couple years ago, such a CD was less than 0.5%. The yield curve is flattening, meaning folks should take advantage of shorter duration CDs.

Definition: Unique Selling Proposition or USP is the one feature or the perceived benefit of a good which makes it unique from the rest of the competing brands in the market. It is that very reason which motivates a buyer to purchase that product even though it might be costlier than other products. Description: Unique Selling Proposition or USP is a very important concept used during the time when a company promotes its product through its advertisements in both TV as well as print media which eventually attracts a consumer to buy a particular product. The key to boost the sales of the product effectively through advertising is to highlight the USP of the product prominently. Unless you highlight the USP, consumers will not be tempted to buy your product. Every product should have its own USP, which makes it stand apart from other products in the similar category. USP is different for different products. Let’s take an example of a restaurant which is very famous across the world for its quick Subway Sandwiches. The company makes the sandwiches healthier for consumers. Consumers who are looking for a quick meal can walk into any subway outlet and get a quick sandwich made, which contains nutritional value. In this way the company is able to create its own niche market across town in India. The USP of the product is a nutritious sandwich at an affordable price. USP is a very important component in developing the product. A strong unique selling proposition makes you stand apart and also plays an important role in branding your product. But, USP alone can guarantee to a product’s success. Superior product quality and at par service, both before and after-sale are very important in creating the foundations of a market for a product. Always remember, with a distinct USP, the company doesn’t even have to bother about competition because if you have developed something which has not been developed by others, then you are the only player or a market leader in that specific product category (Example – iPpod by Apple).


3. Start as soon as possible. Building a livable passive-income stream takes a tremendously long time, largely because of declining interest rates since the late 1980s. Gone are the days of making a 5%-plus return on a short-term CD or savings account. Today, the best 12-month CD is at 2.5%, and the best money-market rate is about 1.85%, which is not bad, considering such rates were below 0.5% just a couple of years ago. Know that every $100 you save can generate at least $2.5 in passive income.

Bob Gerstley was among the first to write about algorithms designed to identify people with high "social networking potential."[17] Gerstley employed SNP algorithms in quantitative marketing research. In 2004, the concept of the alpha user was coined to indicate that it had now become possible to identify the focal members of any viral campaign, the "hubs" who were most influential. Alpha users could be targeted for advertising purposes most accurately in mobile phone networks, due to their personal nature.[citation needed]
And while real estate is an excellent option, it does require a significant initial investment, so whether or not this passive income stream is right for you depends on your current financial situation. You might be better off starting with an investment strategy where you can build funds until you have a big enough sum to get involved in real estate.
Don’t do vending machines as passive income. I thought it was passive but it’s way more than that. You have to work all the time. If you get a good account, you’ll be there twice a week. Want another job as a stable income? Good luck. What do you tell your boss when you have to go fix your machine because a dollar got stuck and is only open during normal business hours?
A perfect example of the Active Problem Solving + Automation concept is in my online courses I’ve created over the years, or my free webinars I’ve created more recently Each of my online courses and webinars are targeted to help people with specific problems, whether that’s in the area of affiliate marketing, podcasting, building a brand, and so forth. I am always improving upon the courses, but they are also evergreen for my audience.
What happens if you have attrition in your customer base over time. An easy way to extend the model to take this into consideration would be to add a variable to model Attrition Rate as a percentage of the entire installed base at each cycle, and simply subract this from the total population at each cycle. This topic is nicely covered in this blog post by Andrew Chen: Is your website a leaky bucket? 4 scenarios for user retention.
If you want to add a little excitement to your passive income investing, meet Lending Club, the web-based peer-to-peer lending platform where investors looking for high-interest opportunities provide the funds for loans. You can earn interest rates in excess of 10 percent a year – about 10 times what you will earn on more conventional interest-bearing investments.
What I did: I first identified my favorite places in the world to live: San Francisco, Honolulu, Paris, Amsterdam, New York City, and Lake Tahoe. I then looked up the median rent and housing prices for each city. Then I factored in private education costs for two kids to be conservative given I may not have two kids and public schools are often good enough. After calculating all vital costs, I then did a self-assessment of how happy I was making $50,000, $100,000, $150,000, $200,000, $250,000, $350,000, $500,000, and $750,000. I decided working 20 hours a week making $200,000 a year is the best income balance for maximum happiness. 
If you’re familiar with the phrase “don’t put all your eggs in one basket,” you know that it applies to just about any area of your life including—and especially—your finances. In addition to retirement becoming an ever-elusive goal, no one has guaranteed job security so by diversifying your income you can feel more secure about saving for your future. You’ll be less likely to find yourself in credit card debt and happier as a result of being financially secure.
I see you include rental income, e-book sales and P2P loans as part of your passive income. Do you not consider your other internet income as passive? Is that why it’s not in the chart? Or did you not include it because you would rather not reveal it at this point? (I apologize if this question was already answered – I didn’t read through all the comments, and it’s been about a week since I actually read this post via Feedly on my phone)
What happens when you grow so fast that you start to saturate the population. This has happened to several Facebook app developers. They experience very rapid growth, and then suddenly the growth dies. Andrew Chen has written a great blog post about this:  Facebook viral marketing: When and why do apps “jump the shark?”. (Side note: I don’t believe that the equation that Andrew puts forward for simple viral growth is correct, as it assumes that the entire population will continue sending out invitations at each viral cycle. However his work on saturation of the population is very relevant for highly successful viral apps.) In case you are interested in where the term “jump the shark” came from check this out: Wikipedia: Jumping the shark.
Thanks for the info…I kind of figured it is really not that expensive to live if you are not an extravagant person. I could definitely figure out how to funnel expenses through a part time business…I think I keep thinking along the lines that I’m going to be paying the same tax rate after retirement, but reality is you could get pretty lean and mean if one focused on it. On a scale of 1-10 with 10 being utter panic mode, how worried are you about your “pile” lasting through a 50 year retirement now that you are a couple years into it?
Viral Marketing is about ‘infecting’ people. If each ‘infected’ individual shares the marketing message to a single other individual, the viral epidemic will gradually grow in a logic curve. As long as each individual passes the message on to one other person, the marketing campaign can continue to grow until each member of the potential audience has been reached. Eventually, the campaign will generate less interest from the target group and the curve will taper off; the campaign is dying out.
On paper, it may seem easy to invest in real estate and earn the rent as passive income, but in a practical sense, it is often difficult to translate this investment into income. Identifying the source which will generate a stable passive income is probably the biggest challenge you might face. You may require external help. Most activities that generate passive income, like starting a blog or selling items on Craigslist or eBay, can end up taking so much time that they aren’t really “passive” activities anymore.
I’m feeling inspired! I’ve been a PT for 19 years and I feel I have so much experience to offer but have been so intimated by starting a blog. I also subscribed to Michelle’s website but wasn’t sure it was for real. Is it for real? After reading this I feel like it’s time to take the plunge, I need to start a blog, I have so many ideas and even course ideas. I want to get away from the paperwork that plagues our healthcare system but not leave the field so the blog just might be the answer. I’ve been a landlord for 15 years now, great investment for sure, renters paid for the down payment of our house and should hopefully help pay for our kids college. I’d love to have one more! Thank you for the inspiration, wish me luck with my blogging!

He is the co-founder of Neil Patel Digital. The Wall Street Journal calls him a top influencer on the web, Forbes says he is one of the top 10 marketers, and Entrepreneur Magazine says he created one of the 100 most brilliant companies. Neil is a New York Times bestselling author and was recognized as a top 100 entrepreneur under the age of 30 by President Obama and a top 100 entrepreneur under the age of 35 by the United Nations.

In YouTube’s case the Viral Cycle Time was extremely short: a user would come to the site, see a funny video, and immediately send the link on to their friends. Tabblo, on the other hand, had a much longer cycle time. A customer would post some photos on the site and invite their friends. The friends might see the photos on Tabblo, and like the experience and decide that they would use the site the next time they took photos they wanted to share. However, that is where the problem came in: it could take months before they next took photos, and decided to share them.
Do you know of a successful business that needs capital for expansion? If so, you can become something of a small-time angel investor and provide that needed capital. But rather than offering a loan to a business owner, you instead take an equity position in the business. In this way, the business owner will handle the day-to-day operations, while you will act as a silent partner who also participates in the profits of the business.

The Internet makes it possible for a campaign to go viral very fast; it can, so to speak, make a brand famous overnight. However, the Internet and social media technologies themselves do not make a brand viral; they just enable people to share content to other people faster. Therefore, it is generally agreed that a campaign must typically follow a certain set of guidelines in order to potentially be successful:

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