Opera is a web browser developed by Opera Software. The latest versions
of Opera use the Blink layout engine. Earlier versions used Opera
Software's proprietary Presto layout engine and had additional Internet
suite features such as sending and receiving e-mail messages, managing
contacts, chatting on IRC, downloading files via BitTorrent, and reading
web feeds. Opera is offered free of charge for personal computers and
mobile devices. According to Opera Software, the browser has over 300
million monthly users worldwide.
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