PNG supports a color depth of up to 48 bits. Among the owners of web resources, PNG images are famous for their excellent characteristics against the background of such formats. ICO was developed to replace the GIF format, because the latter required paid software for a long time. Thanks to the Deflate compression algorithm, bitmaps with the PNG file extension are available for compression without obvious quality loss. Such a graphic format is quite often used in the world wide web when assigning different images to web pages. The PNG data contains a specific palette of colors used in the drawing. The PNG file (Portable Network Graphic) refers to bitmap images. In addition, it should be noted that browser support for SVG has proven to be incomplete - currently a large number of browsers, including Internet Explorer, require an additional plugin (which many users will not have) to display the SVG image. Specifically, SVG Tiny (SVGT) and SVG Basic (SVGB) are subsets of the full SVG standard primarily intended for use on a device with disabilities such as mobile phones or PDAs.
There are several versions of the SVG format in use today (SVG 1.0, SVG 1.1, and SVG Tiny 1.2 at the time of this writing). SVGZ format is a modified SVG format that uses GZIP compression and thus solves the problem of large SVG file sizes. Support for manipulation and combinations of objects, including grouping, transformations and event-based scriptingīased on XML (which is essentially a text format), SVG images compress well.Support for vector shapes (such as lines, curves, etc.).The SVG format is used for both static and animated graphics. SVG is based on the XML markup language, and was developed as an open standard by the World Wide Wide Consortium. Since 2013, ICQ has 11 million monthly users.The SVG extension (Scalable Vector Graphics) is used primarily for vector graphics and is an open format.
At the time of the Mail.Ru acquisition in 2010, there were around 42 million daily users. ICQ became the first widely adopted IM platform.Īt its peak around 2001, ICQ had more than 100 million accounts registered. ICQ was among the first stand-alone instant messenger (IM)-while real-time chat was not in itself new ( Internet Relay Chat (IRC) being the most common platform at the time), the concept of a fully centralized service with individual user accounts focused on one-on-one conversations set the blueprint for later instant messaging services like AIM, and its influence is seen in modern social media applications. The ICQ client application and service were initially released in November 1996, freely available to download. Originally developed by the Israeli company Mirabilis in 1996, the client was bought by AOL in 1998, and then by Mail.Ru Group in 2010.
The name ICQ derives from the English phrase "I Seek You". ICQ is a cross-platform instant messaging and VoIP client.
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