Google's annual Bad Ads report that includes fake, annoying and malicious advertisements was renamed Better Ads. Last year the company shut down 780 million global mobile ads, including ones that tried to trick and scam the search giant's customers. The company also disabled about 25,000 app accounts, which was most often for putting ads too close to a button.

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The number of disabled ads was about one-third higher than 2014 (524 million). It was also over double the number shut down the year before (350 million), according to Search Engine Land.

Google reports that it turned down over 1.4 million ad account applications last year that broke the company's rules. They were from apps and websites.

For example, mobile ads placed too close to a button often resulted in people accidently tapping the former. Last June the company also took steps to reduce the number of erroneous "fat finger" clicks on mobile device clicks.

Sridhar Ramaswamy is head of Google ads. He wrote that the company's future updates will have limits such as what can be advertised as effective weight-loss programs, and new protections against malware.   

Google shared that good ads make it easier for people to connect to products and services they want, according to PC Mag. They include features such as news sites.

However, bad ads ruin a person's online experience. It is why the company has a global team of over 1,000 people whose job is to fight bad ads.

The search giant described some types of bad advertisements. They include those that sell fake  products, such as false claims made about an over-the-counter medicine compared to prescription drugs.

Google also noted that some weight loss ads were actually phishing scams. They tried to get people to download malware.

The company is also developing software to detect when mobile users accidentally click on an ad. An example is when viewing a slideshow.

Google earned nearly $59 billion in ad revenue in 2014. Advertising made up almost 90 percent of the tech company's total revenue.

The company also racked up $11.8 billion in mobile ad revenue during the same year. Three-quarters of that figure was from iOS devices.