42 Platform as a service (PAAS) featuring computer software platforms for facilitating the placement of digital advertisements into other digital content that is accessible via the internet; Providing a web site featuring temporary use of non-downloadable software for placing short, digital advertisements into movies, videos, slideshows, and similar digital content that can be accessed and viewed via websites, online social media and the internet generally; Providing a website featuring non-downloadable software for facilitating placement of online advertisements; Providing a website featuring on-line non-downloadable software that enables users to make digital advertisements available for placement into online content created by content providers; Providing a website featuring resources, namely, non-downloadable software for facilitating placement of digital advertisements into movies, videos, slideshows, and similar online digital content created or made available by content providers; Providing on-line non-downloadable software for facilitating digital advertising services; Providing temporary use of a non-downloadable web application for placing digital advertisements into online content created or made available by others; Providing temporary use of a web-based software application for creating and managing digital advertising campaigns; Providing temporary use of on-line non-downloadable software and applications for enabling advertisers to place digital advertising into digital content made available by content providers, and for advertisers to pay content providers each time a viewer views the advertisement