CyberGuy explains how Walmart is using artificial intelligence to enhance the shopping experience. You might be tempted to buy products on Amazon that have glowing reviews and high ratings. After all, who doesn't want to get the best deal possible? Before you click that "buy now" button, you might want to take a closer look at those reviews. Because, as it turns out, not all of them are genuine.

SHOPPING – Contains affiliated content. Products featured in this Mail Best article are selected by our shopping writers. If you make a purchase using links on this page, Dailymail.co.uk will earn an affiliate commission. Would you like a newly-improved Echo Dot that can wake you up, play music, audiobooks, answer your questions and more? Look no further than the Echo Dot (5th generation, 2022 release).

Fake reviews are often easy to spot – but, as with financial scams, even the smartest internet user can be fooled. So what are the top tips for avoiding being duped? And which sites can you depend on? Excessive praise and enthusiasm are often signs that the review has been paid for by the product producer, hotel, restaurant, etc. Even more so if this praise comes with little concrete detail.

Google's Play Store and Apple's App Store are being flooded with fake reviews that are distorting the popularity of apps, a new investigation has revealed. Up to a quarter of reviews in the health and fitness section of Google's Play Store were suspicious, while for Apple's equivalent 17 per cent appear fake. Such is the scale of the problem that Which? also found that fake reviews are being openly sold by brokers, who pay Google to appear at the top of its search results. These services offer bulk downloads, reviews or upvotes to help push apps up the rankings, making them seem more reputable if they have been downloaded a huge number of times. Apple warned that it will remove apps that haven't been'updated in a significant amount of time', giving developers just 30 days to update them Such is the scale of the problem that Which?

SHOPPING: Products featured in this article are independently selected by our shopping writers. If you make a purchase using links on this page, MailOnline will earn an affiliate commission. If you're looking for the best live deals on the Fitbit this Black Friday, then it's well-worth hot-footing it over to Amazon right now, where the Fitbit Charge 5 Activity Tracker is on sale for 42 per cent off. Currently on sale for £99, the Fitbit Charge 5 Activity Tracker is now enjoying £70.99 off the RRP, so you can take advantage of all the health metrics, heart monitor, built-in GPS and 20 different exercise modes for even less. Thanks to the personalised insights into your fitness and sleeping patterns, the Fitbit Charge 5 Activity Tracker has helped thousands on their fitness journeys, regardless of their ability.

Products featured in this Mail Best article are independently selected by our shopping writers. If you make a purchase using links on this page, MailOnline may earn an affiliate commission. Amazon has continued to drop incredible deals in their New Year sale, and if you're looking to upgrade your smart home, we've found Amazon device deals you won't want to miss. Today the Amazon Echo Dot (3rd Gen) is now 45 per cent off, so you can score the hockey puck-shaped smart speaker for just £21.99 (typically £39.99). This isn't the only Amazon Echo device on sale right now, as the retailer has slashed the Echo Dot (4th Gen) price by 40 per cent to just £29.99.

Products featured in this Mail Best article are independently selected by our shopping writers. If you make a purchase using links on this page, MailOnline may earn an affiliate commission. Despite official Black Friday and Cyber Monday sales being a little over a week away, Amazon has been unveiling incredible early Black Friday deals, and we've found one offer you won't want to pass up. The Amazon Echo Dot (3rd Gen) is now 53 per cent off. Following a buy one get one free promotion, which has since ended, the retailer has slashed the price of the smart speaker from £39.99 to £18.99.

There are over 30,000 Alexa Skills available today, and the marketplace has added more than 6,800 since the beginning of the year -- more than 1,500 in April alone. The popularity of voice interfaces continues to grow among consumers. One reason for this is accessibility. Voice interfaces provide a natural platform for humans to interact with computers; even children can quickly learn how to interact with voice-enabled devices. My last article for VentureBeat, which looked at user behavior around Alexa devices, concluded that consumers are overwhelmingly happy with the devices and can already see them changing their behaviors.