January 8, 2010 4:29 am Apps for Twitterholics 2010 will be another huge year for social networking. If you’re a user of Twitter, you know managing, juggling and tapping into those short, 140-character updates can be overwhelming. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 2:30 ‘Baby Reindeer': Inside Richard Gadd's Netflix phenomenon