Advice please - my friend has been induced

Hiya, so my friend went in to be induced friday. We are close and she texted me thursday saying she would
​Keep me updated. Since then ive heard nada! Feeling a little worried now. I know she might be up the wall busy with her new bub but thought might of heard something. Anyone had experience of being induced, what it entails and am i likely to have heard anything after 4 days? Thanks in advance