* YG contacted Flo Rida and Flo Rida is featuring in G-Dragon's 'Heartbreaker' (i.e. he laid down a rap for a new version of the song). This featured version of the song will be released somewhere around the end of March in G-Dragon's concert live album. Also, the money will be donated to charity.
* G-Dragon's concert 'SHINE A LIGHT' DVD will be released in April in two versions. No-edit version and the 19 and younger version.
* In the first half of the year Se7en, Taeyang, Gummy and 2NE1 are planning to release albums and in the last half Big Bang, 2NE1, TOP, Daesung and Seungri will be active. Perry's back from the States. They have also recruited five more producers.
* Yang Hyun Suk is marrying Lee Eun Joo (from Moogadang/Swi.T) after dating her for nine years! (They are 12 years apart).
source: YG Family | translations by Beau at bbvipz
She translated the important parts; that's pretty much the gist of the letter.