diff --git a/scripts/Util.pm b/scripts/Util.pm
index 09f2442..49bc845 100644
--- a/scripts/Util.pm
+++ b/scripts/Util.pm
@@ -8,6 +8,9 @@ use DateTime;
 
 use feature 'say';
 
+my $local_root        = '/home/christoph/Notes/TU/MastersThesis/FailNix';
+my $local_archive_dir = "$local_root/injections";
+
 my $ntfy_url   = 'https://ntfy.vps.chriphost.de';
 my $ntfy_token = 'tk_rx8fd6hojuz4ekcb72j7juugkbmga';    # May be public
 my $ntfy_topic = 'fail-alerts';
@@ -187,4 +190,77 @@ sub get_section_name {
     return $name;
 }
 
+sub read_experiment_info {
+    my ($exp) = @_;
+
+    return unless ( -f "$local_archive_dir/$exp/0.info" );
+
+    open( my $fhandle, '<', "$local_archive_dir/$exp/0.info" )
+      or die "Failed to open 0.info: $!";
+    my $info = <$fhandle>;
+    chomp $info;
+    close($fhandle);
+
+    return $info;
+}
+
+sub read_marker_info {
+    my ( $experiment, $benchmark, $address ) = @_;
+
+    return ""
+      unless (
+        -f "$local_archive_dir/$experiment/markers/$benchmark-$address.info" );
+
+    open( my $fhandle, '<',
+        "$local_archive_dir/$experiment/markers/$benchmark-$address.info" )
+      or die "Failed to open $benchmark-$address.info: $!";
+    my $info = <$fhandle>;
+    chomp $info;
+    close($fhandle);
+
+    return $info;
+}
+
+sub overwrite_marker_info {
+    my ( $experiment, $benchmark, $address, $info ) = @_;
+
+    system( 'mkdir', '-p', "$local_archive_dir/$experiment/markers" );
+
+    open( my $fhandle, '>',
+        "$local_archive_dir/$experiment/markers/$benchmark-$address.info" )
+      or die "Failed to open $benchmark-$address.info: $!";
+    print $fhandle $info;
+    close($fhandle);
+}
+
+sub delete_marker_info {
+    my ( $experiment, $benchmark, $address ) = @_;
+
+    system( 'rm',
+        "$local_archive_dir/$experiment/markers/$benchmark-$address.info" );
+}
+
+sub select_experiment {
+    my ($multi) = @_;
+
+    my @experiments = find_subdirs($local_archive_dir);
+
+    my @exp_with_notes;
+    foreach my $exp (@experiments) {
+        my $info = read_experiment_info($exp);
+
+        push @exp_with_notes,
+          defined $info ? sprintf( "%-50s (Note: %s)", $exp, $info ) : $exp;
+    }
+
+    my @selected_experiments =
+      TUI::select_from_list( "Select Archived Experiment to Open",
+        $multi, @exp_with_notes );
+    die "No experiment selected" unless @selected_experiments;
+
+    map { s/(.*?)\s+\(Note:.+\)$/$1/ } @selected_experiments;
+
+    return $multi == 1 ? @selected_experiments : $selected_experiments[0];
+}
+
 1;
diff --git a/scripts/explore.pl b/scripts/explore.pl
index a30d1bb..b9be773 100644
--- a/scripts/explore.pl
+++ b/scripts/explore.pl
@@ -21,12 +21,7 @@ my $local_root        = '/home/christoph/Notes/TU/MastersThesis/FailNix';
 my $local_archive_dir = "$local_root/injections";
 
 # Select experiment to open
-my @experiments = Util::find_subdirs($local_archive_dir);
-my @selected_experiments =
-  TUI::select_from_list( "Select Archived Experiment to Open", 0,
-    @experiments );
-die "No experiment selected" unless @selected_experiments;
-my $selected_experiment = $selected_experiments[0];
+my $selected_experiment = Util::select_experiment(0);
 
 my $cui = TUI::init_cui();
 
@@ -75,6 +70,25 @@ my %index_of_markers;
 
 my $selected_threshold = 0;
 
+my @sections;
+
+sub marker_label {
+    my ($marker) = @_;
+
+    return sprintf(
+        "%4s %8s %5s %17s %12sx %-40s",
+        $marker->{benchmark},
+        $marker->{fault_address},
+        Util::get_section_name( $marker->{fault_address}, @sections ),
+        $marker->{resulttype},
+        Util::format_number_sep( $marker->{faults} ),
+        Util::read_marker_info(
+            $selected_experiment, $marker->{benchmark},
+            $marker->{fault_address}
+        ),
+    );
+}
+
 sub load_faults_csv {
     @marker_values = ();
     %marker_labels = ();
@@ -85,7 +99,7 @@ sub load_faults_csv {
         headers => 'auto'
     );
 
-    my @sections = Util::elf_read_sections(
+    @sections = Util::elf_read_sections(
         "$local_archive_dir/$selected_experiment/system.elf");
 
     # Result:
@@ -95,16 +109,7 @@ sub load_faults_csv {
     @marker_values          = @$data;
     @filtered_marker_values = @marker_values;
     %marker_labels =
-      map {
-        $_ => sprintf(
-            "%5s %10s %10s %20s %15sx",
-            $_->{benchmark},
-            $_->{fault_address},
-            Util::get_section_name( $_->{fault_address}, @sections ),
-            $_->{resulttype},
-            Util::format_number_sep( $_->{faults} ),
-        );
-      } @marker_values;
+      map { $_ => marker_label($_); } @marker_values;
 }
 
 sub filter_marker_values {
@@ -360,7 +365,7 @@ $win->add(
     'info', 'Label',
     -y    => -1,
     -text =>
-"Space = toggle, F = filter markers, S = open source, A = open assembly, R = resize, Q = quit",
+"Space = toggle, F = filter markers, S = open source, A = open assembly, N = edit notes, R = resize, Q = quit",
 );
 
 sub set_geometry {
@@ -465,6 +470,7 @@ sub markers_filter_popup {
         -title  => "By Count Threshold",
         -border => 1,
         -text   => $selected_threshold,
+        -pos    => length($selected_threshold),
         -regexp => '/^\d*$/',
     );
 
@@ -533,6 +539,79 @@ sub markers_filter_popup {
     $focus->();
 }
 
+# =============================================================================
+# Notes Popup
+# =============================================================================
+
+sub edit_notes_popup {
+    my $w = 60;
+    my $h = 24;
+
+    my $marker = $markers_panel->get_active_value();
+    my $marker_text =
+      Util::read_marker_info( $selected_experiment, $marker->{benchmark},
+        $marker->{fault_address} );
+
+    my $popup = $cui->add(
+        'popup', 'Window',
+        -x      => int( $cui->width() / 2 - $w / 2 ),
+        -y      => int( $cui->height() / 2 - $h / 2 ),
+        -width  => $w,
+        -height => $h,
+        -border => 1,
+        -title  => "Edit Notes",
+    );
+
+    my $notes = $popup->add(
+        'marker_notes',
+        'TextEditor',
+        -height => $h - 3,
+        -border => 1,
+        -text   => $marker_text,
+        -pos    => length($marker_text),
+    );
+
+    $popup->add(
+        'popup_info', 'Label',
+        -y    => -1,
+        -text => "^S/^C = save, ^Q = quit",
+    );
+
+    $popup->set_binding(
+        sub {
+            my $text = $notes->get();
+
+            if ( length($text) > 0 ) {
+                Util::overwrite_marker_info( $selected_experiment,
+                    $marker->{benchmark}, $marker->{fault_address}, $text, );
+            }
+            else {
+                Util::delete_marker_info( $selected_experiment,
+                    $marker->{benchmark}, $marker->{fault_address} );
+            }
+
+            $marker_labels{$marker} = marker_label($marker);
+
+            $cui->delete('popup');
+            $cui->layout();
+            $markers_panel->draw();
+        },
+        "\cS",
+        "\cC",
+    );
+
+    $popup->set_binding(
+        sub {
+            $cui->delete('popup');
+            $cui->layout();
+        },
+        "\cQ"
+    );
+
+    $cui->layout();
+    $notes->focus();
+}
+
 # =============================================================================
 # Bindings
 # =============================================================================
@@ -544,6 +623,13 @@ $win->set_binding(
     'f',
 );
 
+$win->set_binding(
+    sub {
+        edit_notes_popup();
+    },
+    'n',
+);
+
 $win->set_binding(
     sub {
         layout_resize();
diff --git a/scripts/menu.pl b/scripts/menu.pl
index 15fdbad..e647b5e 100644
--- a/scripts/menu.pl
+++ b/scripts/menu.pl
@@ -68,6 +68,9 @@ my %handlers = (
         Mars::download_dir( "$remote_builds_dir/$_",
             "$local_archive_dir/" . $_ =~ s/:/-/gr )
           for @selected_dirs;
+
+        system( 'touch', "$local_archive_dir/" . $_ =~ s/:/-/gr . "/0.info" )
+          for @selected_dirs;
     },
 
     '04. Query Databases (Mars)' => sub {
@@ -213,12 +216,7 @@ my %handlers = (
     },
 
     '12. Open Experiment in Binsider' => sub {
-        my @experiments = Util::find_subdirs($local_archive_dir);
-        my @selected_experiments =
-          TUI::select_from_list( "Select Experiments to Open in Binsider",
-            0, @experiments );
-        die "No experiment selected" unless @selected_experiments;
-        my $selected_experiment = $selected_experiments[0];
+        my $selected_experiment = Util::select_experiment(0);
 
         system( 'binsider',
             "$local_archive_dir/$selected_experiment/system.elf" );
@@ -242,22 +240,7 @@ my %handlers = (
 
     '14. Compare Experiment Results' => sub {
 
-        # TODO: To util function (select_experiments,
-        #       could also include the file-existance filter)
-        my @experiments = Util::find_subdirs($local_archive_dir);
-
-        # Only include experiments with resultsdata.csv
-        my @viable_experiments;
-        foreach my $experiment (@experiments) {
-            push @viable_experiments, $experiment
-              if ( -f "$local_archive_dir/$experiment/resultsdata.csv" );
-        }
-
-        # Select experiments
-        my @selected_experiments =
-          TUI::select_from_list( "Select Experiments to Compare",
-            1, @viable_experiments );
-        die "No experiments selected" unless @selected_experiments;
+        my @selected_experiments = Util::select_experiment(1);
 
         # Read results
         my %all_results;
@@ -283,12 +266,15 @@ my %handlers = (
             'ACCESS_OUTERSPACE'
         );
 
-        my $heading = sprintf( "%5s %20s ", "BENCH", "TYPE" );
+        my $heading    = sprintf( "%5s %20s ", "BENCH", "TYPE" );
+        my $subheading = sprintf( "%5s %20s ", "",      "" );
         foreach my $experiment (@selected_experiments) {
             $heading .= sprintf( "%50s  ", $experiment );
+            $subheading .=
+              sprintf( "%50s  ", Util::read_experiment_info($experiment) );
         }
 
-        my @entries = ( $heading, "" );
+        my @entries = ( $heading, $subheading, "" );
         foreach my $benchmark (@benchs) {
             foreach my $marker (@markers) {
                 my $entry = sprintf( "%5s %20s ", $benchmark, $marker );