Smartphone use Windows Phone on its smartphones. Windows Phone became the third-most-popular smartphone OS, before being replaced by Windows 10 Mobile, which declined in share to become "largely irrelevant" at less than 0.5% of the smartphone market. Palm replaced their Palm OS with webOS. BlackBerry Limited, formerly known as Research In Motion, made a new platform based on QNX, BlackBerry 10, with which it was possible to control a device without having to press any physical buttons; this platform was later discontinued. By the mid-2010s, almost all smartphones were touchscreen-only, and Android and iPhone smartphones dominated the market. In 2013, Fairphone
Internet Explorer 4 98, in addition the Internet Explorer layout engine Trident was introduced. It attained just over 60% market share by March 1999 when IE5 was released. In August 2001 when Internet Explorer 6 was released, IE4.x had dropped to 7% market share and IE5 had increased to 80%. IE4 market share dropped under 1% by 2004. The Internet Explorer 4.0 Platform Preview was released in April 1997, and Platform Preview 2.0 in July that year. Internet Explorer 4 was released to the public in September, 1997 and deepened the level of integration between the web browser and the underlying operating system.