On May 3rd, Ock Ju Hyun revealed a picture of herself teaching Lee Hyori how to use Twitter.�The two former Fin.K.L members are seen in a hair salon, with Ock Ju Hyun adding the caption:�"Us..!! In the middle of a twitter lesson". Ock Ju Hyun continued, "Miss Hyori did well making her introduction on Twitter.. but today she came to me with twitter questions... Hm... Okay.. Unnie, try harder.. Until you're as good as me... Puha" On the 1st, Hyori had created her own twitter, @frog799. The two met and exhibited their friendship as Hyori sought help from Ock Ju Hyun, who has used Twitter for a while. At this time, Lee Hyori's collected over 20,000 followers already. Source: Newsen via Nate