Since using twitter i have noticed the following trends this past year 2012 :-
Conversation Starters : Hashtags help to organize conversations around topics: #nowplaying to share your favorite music, or #blessed to enumerate the good things in your life. The popularity of terms like #oomf (“one of my followers”), #lrt (“last Retweet”), #shoutout, and so on highlight the personal interactions at the heart of Twitter.
Sports : Rooting for their favorite team, discussing an MV player's performance, or getting caught up in Olympic competitions, sports fans never flag on Twitter. And there’s never an off-season.
Politics : This year, voters discussed candidates and their ads, campaigns and conventions. Hashtags like #tcot (“top conservatives on Twitter”) invited more conversation, and real-time events like the debates saw record levels of engagement.
TV : People tweet incessantly about favorite contestants on reality shows like Big Brother (#bb14) and American Idol; they obsess over plot points on hits like Pretty Little Liars. TV nostalgia is popular too, as fans reminisce about shows from the past.
pretty little liars
106 & park
boy meets world
Food : People love talking about food on Twitter. This year, trends spiked around specific eateries and that perennial favorite #coffee — as well as a certain coffee chain.
Movies : Movie buffs take to Twitter to discuss the hottest releases, most buzzed-about blockbusters, and all their favorite films. Based on this list, it seems fans are drawn to action flicks and dark tales — but romance always finds a way.
think like a man
the hunger games
21 Jump Street
Dark Knight Rises
The Devil Inside
Tech : As new products were announced (cf. the new iPad, iPhone or Kindle, they saw significant spikes in Twitter discussion. Other buzzworthy tech terms reflected the social sphere on platforms like Skype and Pinterest, or with a social game (Draw Something).
Music : Fans share their favorite songs via hashtags like #nowplaying and #musicmonday. This year, hip-hop stars took center stage on Twitter. Large music festivals like Coachella also generated much live tweeting, and fans all over chatted about performances.
Countries : Whether it's firsthand photos from Syria, the drama of Italian football, or the latest in Afghanistan, Americans are tweeting about a wide range of global issues
So Enjoy Tweets and wish you all #HappyNewYear2013 .