Passive income differs from active income which is defined as any earned income including all the taxable income and wages the earner get from working. Linear active income refers to one constantly needed to stay active to maintain the stream of income, and once an individual chooses to stop working the income will also stop, examples of active income include wages, self-employment income, material participation in an s corp, or a partnership.[4] portfolio income is derived from investments and includes capital gains, interest, dividends, and royalties.[5]
A few months later after the ad was launched, the ad agency Wieden + Kennedy made a series of more than 200 short ads featuring Isaiah Mustafa, responding to comments and questions posted on social media platforms like Twitter and Facebook. The campaign resulted in an increase in Twitter followers by more than 1,000 percent an over 6 hundred thousand people on Facebook liked the ads!
​Affiliate marketing is the practice of partnering with a company (becoming their affiliate) to receive a commission on a product. This method of generating income works the best for those with blogs and websites. Even then, it takes a long time to build up before it becomes passive. If you want to get started with affiliate marketing check out this great list of affiliate marketing programs.
What I did:The first two years of work in NYC was brutal. I told myself there was no way I could work on Wall St for my entire career because I’d probably die from heart failure by age 40. Having an early death in my mind willed me to save 50%+ from the first year onward and devise a CD, real estate, and stock investment distribution system for my savings every year. I thought about starting this site for at least a year before I hired someone from Craigslist to give set me up and push me forward. Hiring someone to get started is totally worth it if you are a master procrastinator. You can now learn how to start your own site with my step-by-step guide to save yourself time and money. 
For example, if you are married with a single income and have two school-aged children, your consumption requirements may be different as compared to a person who is single. Thus, identifying your stage of life will help you to clearly assess how much resources you need to put into the source which can generate enough passive income to support you.

The sheer traffic that the android and iOS appstores host every day means that if you are able to make an app that is useful, there is probably a market out there for it. If you are able to make a hit, then the sky is the limit. Flappy bird is a great example of the success that one person can have in their spare time. The creator is generating $50,000 per day from ad revenue on his free game. 
As an individual, you need to determine what stage of your life cycle you are in right now. Are you single? Are you married with no children and dual income? Will your spouse leave his or her job if you decide to have kids? Are you nearing your retirement? These are simple questions which you need to ask yourself and clearly establish answers for them. The benefit of this exercise will be enormous because your life cycle will determine your saving and consumption patterns, and thus, you can easily decide on how much passive income you require.
Viral advertising is personal and, while coming from an identified sponsor, it does not mean businesses pay for its distribution.[6] Most of the well-known viral ads circulating online are ads paid by a sponsor company, launched either on their own platform (company webpage or social media profile) or on social media websites such as YouTube.[7] Consumers receive the page link from a social media network or copy the entire ad from a website and pass it along through e-mail or posting it on a blog, webpage or social media profile. Viral marketing may take the form of video clips, interactive Flash games, advergames, ebooks, brandable software, images, text messages, email messages, or web pages. The most commonly utilized transmission vehicles for viral messages include: pass-along based, incentive based, trendy based, and undercover based. However, the creative nature of viral marketing enables an "endless amount of potential forms and vehicles the messages can utilize for transmission", including mobile devices.[8]