LiveChat APIs to do basically anything with the visitor, agent, or chat. What’s more, LiveChat lets you organize all your communications (including emails, chats, SMS, apps, etc) in a user-friendly dashboard. Start your free LiveChat trial now! Among generally positive reviews, there are comments that emphasize the high cost of the product, especially when compared to cheap or free solutions available on the market. Test your typing skills with LiveAgent’s free typing test. The LiveChatInc Typing Test is for 1 minute. In order to maintain business continuity with remote agents and address broken call queues, leading brands are rapidly adding new messaging endpoints, shifting agents to LiveEngage, expanding use cases and widely embracing automation. This adaptability, combined with the strength of our business model, have enabled us to raise profit guidance and target strong revenue growth in 2020 despite potential economic headwinds. When we look to the second half of 2020, we are balancing the enthusiasm we have for our role as the beneficiary of these massive industry changes with the potential macro environmental risks, the unknowns. Our goal is to create the best possible product, and your thoughts, ideas and suggestions play a major role in helping us identify opportunities to improve.
Best of all, TeamViewer Engage is GDPR-compliant, enabling you to interact securely with customers across digital channels, without exposing sensitive or personal data. Our customers are embarking on generational shifts that will materialize in our results for years to come. There’s many more examples I can share about how all this is fueling the usage on our platform and how we’ve now compressed down years of go-to-market into months. We are tightly managing the bottom line while actively positioning our product development and go-to-market organizations to support customers during the crisis. Through a variety of messaging and AI-powered programs, LivePerson has various offerings for companies that want to implement a more streamlined communication channel with customers. Companies like Zoom and Netflix are transactional beneficiaries of how shelter-in-place is changing our lives. So our current customer base is like very, very active, and they need a lot. So the immediate benefits from the demand specifically in our usage-based models like gain share, which is now expected to increase more than 50% year-over-year in the first half of 2020. We’re also seeing brands rapidly embrace automation to address the imbalance between fewer agents that’s the capacity issue I was talking about, and more inbound conversations.
One of our retail customers doubled their labor hours on messaging in one week, onboarding new agents in less than 48 hours, 95% of them who are working from home but also built automation to address their top 10 coronavirus-related intent and quickly achieved a nearly 50% containment rate. Our effective tax rate was 39% for the three and six months ended June 30, 2011, resulting in a provision for income taxes of $1.4 million and $3.4 million in the three and six months ended June 30, 2011, respectively. In total, we are on track to reduce our 2020 expenses by $7.5 million to $16.5 million. This can also help them keep close track of the customer. When a customer opens the notification they are directed to your message. Nearly 100% of our enterprise messaging customers now are using our automation platform. One of our banking customers tripled the number of messaging agents on LiveEngage, removed the call button from their Android and iOS apps. The benefit of being a public company, been running one for 20 years, gives us a perspective on how to navigate through macro environmental changes. As Rob detailed, our platform can bring immediate benefit to brands struggling to respond to the crisis with a virtual workforce.
Once armed with this data, they turned to Conversational Builder and they can rapidly build automation. And I spoke about the vision of using AI and automation even on our own operations, and that’s why I brought John in. So with that, I’ll turn the call over to John to provide an operational update and more color on our guidance. And John will take you through more details about this. Ultimately, we think it will take at least a few months until anyone has a very clear view of how the effects of coronavirus pandemic will play out in the global economy. They then deployed LiveIntent, our AI operations platform that tracks in real time all the reasons consumers are reaching out to a brand and how well that brand is handling those intents. Opening our reach to billions of consumers and echoing that brand should include with their customers through messaging. 2014. The increase in revenue from new customers was approximately $8.6 million; revenue from existing customers who increased their use of our services was approximately $2.4 million, net of cancellations; and professional services revenue increased by approximately $1.2 million.