The most annoying advertisement that I have ever seen is a video ad of the game Dead by daylight . I was playing a game on my mobile, and came across this ad. The audio and visual nearly gave me a heart attack. I'm not a fan of horror genre. This unexpected ad, especially the audio, is so annoying that I turn off the audio completely on my phone to avoid any future nasty surprises like this.
The Covid-19 pandemic and lockdown measures put in place in most countries provide a great opportunity to online studies. Below is a list of online course providers, many of them are offering learning content for free during Covid-19. Normally, verified certificates (after you complete a course) require a fee but some teaching materials are free. I rank them based on number of free courses they offer, the range of subject areas, and their reputation. 1. edX (US) is the best free online course provider and the second largest MOOC provider in the world. It doesn’t have as many courses available as Coursera, but all edX courses can be audited for free because edX is a non-profit organisation. It focuses on natural sciences and humanities. Popular subject areas are languages and computer science. 2. Coursera (US) is the largest MOOC provider in the world. Coursera offers over 1,000 free courses across 11 subject areas on beginner, intermediate, mixed and advanced levels. The reaso