Such as Spotify, Skype, LinkedIn, YouTube and software. The basic product is cheap or 'free' for the user. For more possibilities or more extensive versions you have to pay. Often users pay, often unconsciously and unintentionally, with their personal data. It resembles the bait model and is often combined with the advertising model.
Spotify premium
11. Cross-selling
Think of Windows and Internet Explorer, a holiday with travel insurance, car rental with accident insurance or a mortgage with death risk insurance. Here, attractive products are linked to less popular products for an additional price. The customer can (often) not (easily) buy the products separately. In recent years, it has acquired a negative connotation and it is possible that it is not legally permitted.
12. Advertising
Such as advertising in/on newspapers, magazines, radio, TV, websites, search engines, games, buses, billboards, banners, pens, cups, cinema, video, forms of sponsoring, etc. The media or space operator receives compensation for making advertising by, for example, placing a print advertisement, radio commercial, online video, banner india telegram data or text link. Especially online, many advertising opportunities have emerged.
Think of Nielsen, Axiom, Cendris, LexisNexis, Facebook and Clipit. These companies collect, sell or rent information about markets and target groups and the use of (social) media, products and services by customers and consumers.

14. Crowdfunding (fundraising)
Such as TenPages, Sellaband, 1%Club and Kickstarter.com. People are recruited, often via social media, to donate a small amount or to invest in a specific project or goal. According to the principle: many small ones make one big one. A variation on this is crowdservice . You save money by having work carried out cheaper or for free by customers, citizens and volunteers.
15. Web and Mobile (online)
Such as Amazon, Yahoo, Google, LinkedIn, YouTube and PayPal. Hybrid revenue models based on freemium (personal data), advertising, commerce, subscription, transaction processing , licensing, data, mobile, gaming, online education, etc. The possibilities in this area are legion.