Along the way, we came across some more interesting and unexpected deals that we thought would be a shame to go unnoticed. It uses Adobe Analytics to measure online transactions at 80 of the largest 100 USA web retailers to predict online shopping revenue, numbers for Prime Day, and the Q3 back-to-school season. Last year, Amazon Prime Day brought in sales of around $2.4 billion, Coresight Research estimates, though the sale lasted only 30 hours, not 36.
Shoppers spent 54 percent more in the first three hours of this year's event - 3 p.m.to 6 p.m. EST - than in the first three hours of a year ago when the shopping bonanza began at 9 p.m., according to Feedvisor, which sells software to set prices in e-commerce.
According to Feedvisor, an e-commerce software provider, Amazon was able to sell 54% more in the first four hours of Prime Day when compared to previous year, Bloomberg reported. Here are the biggest takeaways from Prime Day 2018. Net sentiment remained high on Prime Day overall, however, with a dip in the middle. Even competitors like Target and eBay are running concurrent "Black Friday in July" sales to cash in on the action.
Sometimes those outages are simply a capacity issue - too many people trying to crowd onto a site that doesn't have enough storage or computing power to accommodate the requests.
The issues weren't limited to shopping. After Amazon announced the event, Flipkart responded with its Big Shopping Days sale from 16-19 July.
Trump arrives in Finland for closely watched summit with Putin
Later, Trump took to Twitter to predict that any progress made in his talks with Putin would be downplayed by his opponents. The Finnish media group Helsingin Sanomat took out advertising ahead of the Trump-Putin summit in Helsinki to make a point.
See all of the other unique Prime Day deals you can shop today below.
"Shoppers are looking for something more familiar", he added.
"Things like Prime Day and low cost Prime memberships are certainly one strategy". Of course, as with most of the deals popping up during Prime Day, a majority of these offers are exclusively available for Prime members. Apparel, footwear, home goods and CPGs were all heavily discounted.
"Prime Day deals continue until midnight ... across all 23 categories, from toys and gaming consoles, to fashion and books, with deep discounts continuing throughout the day".
Consumer electronics are of course a staple for Prime Day and this year was no exception.
Monday also saw Amazon's market capitalisation rise to $888bn, making it the world's second most valuable company after tech giant Apple, valued at $940bn.