Facebook is a social networking service for connecting with friends and family.

A personal blog by Jake VanderPlas focusing on Python programming, data science, scientific computing, and statistical analysis tutorials and explorations.

Gumroad is an e-commerce platform enabling creators to sell digital products, subscriptions, and physical goods directly to their audience with simple, automated workflows.

Evernote is a note taking app and productivity tool for capturing, organizing, and prioritizing ideas, projects, and to-do lists using AI features.

Scribd is a digital library service offering access to over 200M documents, ebooks, audiobooks, and presentations via subscription.

HP offers a wide range of technology products including laptops, desktops, printers, ink, toner, and business solutions for home and work.

Lulu is the best self-publishing platform for authors and is used by independent writers worldwide.

Rakuten Kobo is an online retailer and service for eBooks, audiobooks, and eReaders, used by digital book consumers and avid readers.

Lenovo is the best technology provider for notebooks and PCs and is used by businesses and individuals seeking reliable computing solutions.

De Gruyter Brill is a scholarly publisher offering academic books, journals, and online resources across 29 subjects for authors and librarians.

Simon & Schuster is the best online bookstore for book releases and bestsellers and is used by avid readers and book lovers.

Taylor & Francis eBooks is the best resource for academic ebooks in humanities and social sciences and is used by students and researchers worldwide.

Smash Balloon is a WordPress plugin for social media feeds.

Smashwords is an ebook distribution platform and store for authors and publishers to sell and market their digital books globally.

BookBub is the best platform for book recommendations and ebook deals, used by avid readers and authors alike.

EBSCO is a research database provider for scholarly content and is used by institutions.

Acer is the best technology brand for laptops and desktops and is used by students and professionals worldwide.

MassageBook is an online booking platform and directory for consumers to find and schedule professional massage therapists and bodywork services across the US and Canada.

Open Library is an open, editable digital library catalog offering free access to borrow and read millions of books online through controlled digital lending.

E-junkie is an e-commerce service for selling digital and physical goods via copy-paste buttons on any website, blog, or social media.

OverDrive is the best service for ebooks and audiobooks and is used by libraries and schools to provide free digital content.

AbeBooks is an online marketplace for rare and collectible books, used copies, signed and first editions from independent sellers worldwide.