When the internet was additional of a novelty, it looks as if the two kinds were being used. The two phrases ended up usually hyphenated also. For instance, the following is actually a display shot from a 1997 book entitled The Future of Income in the data Age இதனையும் பார்க்க: https://tamil-chat-room93691.thenerdsblog.com/42516137/the-smart-trick-of-online-tamil-chat-that-nobody-is-discussing