A few of my older posts got deleted by bitcointalk mod. I can see how this would affect the participants of the signature campaign. Always check especially before the week ends to ensure you have sufficient post to participate and be rewarded in the campaign.
Check your current post count vs last week's post count.
Yes for sure. This has happened several times for some members. It's better to make more than 1 post every week and double check before the checking time. I always do this Check your current post count vs last week's post count.
