Identify

Hamare sabke ghar me hota hi hai.

Connect to a very popular/unpopular product but yet a leader in its segment:

Went uncracked. These are the codenames of Microsoft Windows releases.

Windows 3.1x - Janus, Windows 95 - Chicago, Windows 98 - Memphis, Windows ME - Millennium, Windows XP - Whistler, Windows Vista - Longhorn, Windows 7 - Vienna.

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Connect

 ANS:" Pentagigatweet"...Robin Sloan (in pic) sent the five billionth tweet"Oh Lord!" on twitter and named it as "Pentagigatweet"..the other pic is of "PENTAgon"...went uncracked.

Janamdin Mubarak (Sitter)

Who or what celebrates its 11th birthday today (27th September)?